Tag: carbon calculator

What happened at our Annual Field Day 2024

The FCT field day was an event to shine a light on the sustainable solutions benefiting farmers economically, socially and environmentally.  The focus was on mixed agricultural systems, as well as celebrating those who are doing the most to reduce greenhouse gas emissions and sequester carbon into their soils.

On the 25th September 2024, our Annual Field Day brought together farmers from all over the country, including the winners of our past FCT Soil and Carbon Farmer of the Year competitions, to hear about the exciting developments in sustainable agriculture. In addition, we were grateful to HSBC UK Agriculture who helped sponsor the Carbon Farmer of the Year Competition and to all our supporters of the Annual Field Day –  Cross Compliance Solutions, First Milk, Shearwell, Velcourt and Yeo Valley.

The event was held at Boycefield Farm in Dilwyn, courtesy of Billy Lewis, Soil Farmer of the year (2022) and the Lewis family. The day was a grey one with a few showers but did not dampen any spirits or the curiosity of the farmers that enjoyed the day! 

Our delegates arrived ready for a 10am start which was officially kicked off by a welcome from FCT CEO Liz Bowles and an introduction to the farm by host Billy Lewis. 

Opening comments by Billy Lewis to all the guests

Billy Lewis – Our host and 2022 Soil Farmer of the Year talking about how the farms’ approach of integrating livestock and herbal leys into a previously intensive arable system has rejuvenated soil health, drastically reduced fertiliser and feed inputs, whilst boosting profitability. Billy also mentioned the challenges his farm has been facing,  with the changing climate and consistently wet weather proving to be high on the list.

We enjoyed a circuit of the farm to join workshops on subjects including adapting arable rotations to build fertility and resilience in a changing climate, mob grazing and the importance of soil testing. We heard about developments that have been made on Boycefield farm, as well as from farmers implementing similar systems across the country.

We have captured a snapshot of the workshops below: 

Soil clinic – chaired by Becky Wilson (FCT)

We heard from our very own Becky Wilson and Niels Corfield, a regenerative agriculture advisor.  

Becky standing in the soil pit explaining the benefits of upkeeping healthy soil to the group

Niels and Becky focussed on firstly, and most importantly, how the health of the soil is crucial to any agricultural system. Having a deeper understanding of what to look for within the soil aids farmers in assessing their own soils and tailoring their systems to increase soil health and fertility. 

Becky brought us around the freshly dug soil pit to demonstrate the levels of compaction that occur at different depths. Highlighting the importance of less dense, yet stable soil in the top layer so that root growth of grasses and herbal leys are not hindered by increased soil density. It was pointed out that Billy Lewis’s mob grazing style was contributing to the meadow’s low soil density and therefore thriving grass system. As the stock is moved frequently, there is little time to compact the soil by trampling. Becky also highlighted the importance of earthworms for soil health. Earthworms are a key indicator of good soil health as they provide a multitude of benefits. Their burrowing increases spaces within the top layers of the soil which allow in water and air which promotes root growth for pastures through reduced compaction. Additionally, as Becky mentioned, their powers of nutrient cycling cannot be understated. Earthworms feed on organic matter which is excreted into plant available nutrients, speeding up pasture growth. 

After Becky’s talk on soil qualities Niels took over to discuss a few practical methods (without the use of fancy gadgets) farmers can use to assess their soil health. With only the use of a spade and an inspection of what’s going on below the grass you can tell a lot about the soil. Niels encouraged the guests to go out into their fields and start to collect samples. He demonstrated the method of collecting a core sample by inserting a spade to a depth of around 30 cm on three sides and used the last side as a hinge to lever up a block of soil to inspect. Once the sample was out of the ground,  he highlighted the relative ease of which the soil broke up as well as pointing out the abundance of earthworms, noting that this isn’t the case for a lot of agricultural soils.

Neils showing the group the simple ways in which soil samples can be taken

Livestock and mob grazing – chaired by Stefan Marks (FCT)

In this talk we heard from Tom Burge, an upland beef and sheep farmer, Billy Lewis, the host farmer, as well as Dan Smith, a farm manager running a commercial, net zero livestock farm alongside being a facilitator at the Herefordshire Rural Hub. They talked about their experiences with mob grazing, grass quality and the lessons they have learned experimenting with grazing systems.  

Billy, Tom, and Dan discussing the benefits of mob grazing in front of one of his Hereford mob

In this session, Billy, Tom, and Dan discussed the benefits as well as the challenges involved with mob grazing while drawing on their shared experience of experimenting with this type of grazing system. 

Tom Burge is a 4th generation farmer, owning an upland grazing farm in North Exmoor rearing over 1,000 Romney X ewes and 500 Scottish Blackface ewes. As well as 100 Angus suckler cows. After setting aside a 150 acre field trial with the aim of  reducing fertiliser application, he began experimenting with mob grazing. He found that moving stock regularly (in his case every 2-3 days) and long resting periods resulted in improved grass quality and increased grass growth. All the panellists concurred that long resting periods for the grassland is crucial for increased grass quality and plant diversity which leads to more resilient grasslands. 

In terms of economics, all the panellists agreed that the switch to mob grazing resulted in higher live weights and milk yields from their cattle and sheep. However, it was interesting to hear that these yield increases were marginal compared to the reduction in costs which resulted from the change of system. Dan found that within his new system, he could keep sheep outside all year round, including during lambing. He noticed that less bacterial infections and instances of pneumonia were occurring when he made these changes. Billy also noted the lack of fly related infections on his cattle on his mob grazing system which resulted in lower veterinary costs and better welfare. Although Billy still has periods through the winter where cattle are kept inside, these periods have reduced and therefore feed costs have decreased as a result. All the panellists concluded that optimising for a low input system was of great benefit to not only their pockets but the health of the stock as well.   

An insightful question came from one of the listeners of the talk, who asked; how do you measure the changes in pasture performance? All three panellists admitted that they didn’t formally measure or record grass growth or quality of. Through anecdotal evidence and multiple decades of experience growing grass and farming on their respective farms they could see the difference in the quality of their grass which has translated into the quality of their stock and produce. Dan Smith added to this, highlighting that the preferred measure of performance is through financial gains, where  all three of  panellists have found a financial benefit. 

A second question was fielded around the time consuming nature of mob grazing after Billy mentioned his rotations may only last 6-12 hours on some of his more intensely grazed meadows. He has found that frequent livestock movement isn’t as unmanageable as one might think. He proceeded to demonstrate the ease of which he can move electric fencing hexagonal fence posts (as seen in the picture below). These structures rotate along the ground as Billy moves the end of the fence, saving time by not having to take out every fence pole and place it in a different location in the field. Through experience, Billy often decides when to move his cattle by eye and knows that a system that incorporates flexibility works best for him. This certainly helps with the weather challenges that the three panellists agreed was a main limiting factor to their system. Droughts and periods of heavy rain (which were wonderfully demonstrated throughout the day) are challenges where flexibility is a crucial mitigator. Billy with his free moving electric fence pointed out that he can avoid waterlogged areas in order to protect the soil and grassland from trampling which is even more of a danger in wet conditions. 

The easily movable electric fencing which saves Billy time when moving his stock

Arable/ Herbal Leys – chaired by Tilly Kimble-Wilde

We heard from Angus Gowthorpe (mixed farmer and Soil Farmer of the Year 2018 finalist), Edward Gent (Cambridge arable farmer who has been no-till for 16 years) and FCT’s Anthony Ellis (FCT farm carbon and soil advisor and mixed farmer). The talk focussed on their experiences with diversifying arable rotations, sometimes with herbal leys as well as their different approaches to grazing these areas. 

Panellists in one of Billy’s arable fields – note the agroforestry alleys in the background

Angus Gowthorpe, who manages a mixed farm in North Yorkshire, spoke about his transition from conventional to regenerative farming and how herbal leys have played a crucial role in this shift. By integrating a mix of species into his rotation, including deep-rooting herbs such as chicory and plantain, he has seen significant improvements in soil structure and organic matter. Angus highlighted how the diversity of plant species in the herbal leys helps build resilience in the system, reducing reliance on chemical inputs. He highlighted how grazing these leys with his cattle further stimulates root growth, enhancing the biology of the  soil, contributing to a more productive and resilient farm ecosystem. The sentiments of this approach were echoed by both Edward and Anthony who had implemented similar systems. 

Afternoon Sessions: The economic and climate impact of ‘regen’ 

Following lunch, we moved into a panel discussion Chaired by James Daniel with presentations from Anthony Ellis (FCT), Angus Gowthorpe, Tom Burge & Nick Down (Velcourt Farming Ltd). 

James Daniel – Founder of Precision Grazing, whose primary objective is to optimise performance from pasture, James works across the UK helping farmers to implement and manage their grazing systems alongside ensuring family quality of life for farmers. 

Angus Gowthorpe – mixed farmer and Soil Farmer of the Year 2018 finalist. Angus has been at the forefront of the regenerative transition in the UK and continues to push the envelope on what defines a sustainable farming system.

Tom Burge – Upland beef and sheep farmer whose move to a regenerative, grazing-based system has helped to eliminate inputs and transform the finances on his challenging Exmoor farm

Nick Down – Nick is the Head of Sustainability for Velcourt Ltd. Velcourt directly manages 57,000 hectares and provides advice in both the arable and dairy sectors across the UK. Nick oversees the farming operation of the Yattendon Estate in West Berkshire.  The estate is going through a transition to a more sustainable farming system, incorporating more space for nature and enhancing carbon sequestration under an ambitious environmental delivery program. The farm is also a LEAF demonstration farm.

First each of the panel members presented an overview of their farming system, the regenerative practices they’ve employed and the subsequent improvements this has made to their business carbon footprint, resilience and profitability. 

Angus sharing with us the financial benefits of his regen system

Angus shared with us a side by side comparison of his arable operations between his previous conventional system and his current low-input regen system for winter wheat production. From this slide it is obvious to see what financial benefits arise from converting to a regen system. Firstly, his in-field operations have reduced from four operations to only using direct drilling on his fields. This saves him a total of £142 per hectare. Additionally, a reduction of his fertiliser inputs saved his business £189 per hectare.  Through soil analysis he found that his past applications of P and K were superfluous to crop requirements. He has also reduced reliance on fungicides and plant growth regulators by  £103/ha. The reduction in inputs has given Angus an ability to withstand a lower yield without reduction in enterprise margin. At current prices he calculated that this was equivalent to around 2.3 tonnes/ ha or around a 30% reduction in yield.

A perspective of the  greenhouse gas emissions reductions and financial benefits of regenerative agriculture from livestock farming came from Tom Burge who kindly shared his numbers before and after adopting his new farming strategy. 

Tom Burge’s projections on how his emissions will change while continuing on his regenerative farming journey.

From starting his journey in 2017, he has eliminated use of fertiliser on his pastures, significantly reduced reliance on external feed and fuel, as well as reduced the number of hours of manhours worked on his farm. This has all translated into a steady reduction of on-farm emissions (expressed as kgCO2e per kg live weight of his stock). Due to implementing mob grazing strategies, pasture growth has increased by 0.9 tonnes of dry matter per hectare, displacing 36 tonnes of fertiliser and 72 tonnes of feed between 2017 and 2022. On top of the 1.66kgCO2e per kg of live weight, this has saved Tom’s business financially, to a tune of £24,000 per year. By 2022, Tom realised that the increasing cost of inputs outweighed the potential added value of his outputs, making these inputs un-economical to use. 

Breakout workshops on field trials, weatherproof farming and composting 

Billy showing the guests the resulting compost after he uses his windrow compost turner

Composting: Billy Lewis

Billy Lewis showed us his farm-yard manure composting process. After buying a windrow compost turner second hand, Billy is able to easily turn the compost pile to aerate it. Ensuring good air flow is key to creating compost, as aerobic microorganisms feed on the organic components and convert them into a nutrient rich soil amendment. Composts are much more stable than farm yard manures, providing a more consistent and slow release of nutrients, therefore, benefitting soil health in the longer term. This slow release enhances soil health and pasture growth by reducing the amount of leaching and volatilisation that occurs. Billy explained how he adds different components to his compost depending on what is available, such as wood chips and apple peel from a nearby orchard. 

Research Trials: Hannah Jones

Hannah Jones (Senior Soil and Carbon Advisor with FCT) led an insightful discussion on effectively planning and conducting field trials in a scientifically robust yet practical way. She began by explaining the essentials of multi-year farm trials, covering aspects like choosing crop options for trial strips, combining various tests within one field, and structuring controls to minimise the effects of natural variations on trial results.

A major focus was on understanding how different factors can influence outcomes and the importance of controls. For instance, in a trial introducing beans into crop rotation, it’s crucial to have both fertilised and unfertilised areas to determine if observed benefits are due to the nitrogen contribution from beans, the fertiliser itself, or just field characteristics. In livestock research, increasing population size reduces the impact of natural variation (e.g. individual susceptibility to disease), thereby making the data more statistically reliable. Randomly assigning animals to control and trial groups is also key, as it prevents biases that could affect outcomes; for example, having the first ewes going through the hurdle enter one field and the latter half go into another could unintentionally separate the flock by skittish and lazy animals, skewing results because they have different temperaments.

Hannah also shared ideas and trials setups which some of the attending farmers were considering. The conversation highlighted the value of data sharing—each farm is unique, but insights from one trial can benefit many. By participating in groups like the Innovate funded Nitrogen Climate Smart agriculture (NCS) project, farmers can connect, share findings, and collaborate on new practices. FCT advisors are available to help with planning and can connect participants with like-minded farmers to optimise trial efforts.

Weatherproof Farming: Niels Corfield

Niels delivered a presentation which demonstrated to us the importance of improving soil health for sustainable farming. Niels Corfield is a farm advisor interested in regenerative farms and landscapes. 

He shared video examples of how compacted soils, often mistakenly thought to be saturated due to standing water, were actually preventing deeper water infiltration and leaving dry soil underneath. Healthy soil, with proper porosity, was shown to allow water to penetrate, “banking” moisture for dry periods, which is crucial for crop resilience in hot summers.

Niels made a case for weatherproofing farms to both rain and drought through a mixture of practices including soil management, mechanical interventions e.g sub soiling, mineral, and biological  interventions. We looked at some of these in detail. A key takeaway was that root health is central to improving soil structure, and managing grazing or cropping practices to encourage root mass and density is a fundamental part of improving soil resilience and health.

The evidence presented showed that a move away from set stocking and changes in pasture management was able to extend grazing seasons, reduce the need for winter housing, and boost grass production. Data from various drought years showed how drought severely impacted grass growth across the UK. However, farms with better-managed soil saw increased productivity due to better water retention, emphasising the benefits of improving soil structure and retaining water during wet seasons for use during dry spells.

We were left with the idea that land provides honest feedback which can  be seen and acted upon: It reveals the effectiveness of farming practices through direct observation and we were encouraged to inspect the land regularly ourselves in real-time with a range of tests, rather than solely relying on lab results.

Carbon Farmer of the Year 2024

This very interesting and insightful field day concluded with the presentation of carbon farmer of the year. It is the second year of the competition and is awarded to a farmer who is engaged with and passionate about reducing their business’s climate impact. The award focuses not only on  changing management practices to reduce greenhouse gas emissions but also on understanding and enhancing carbon storage in  farmland. We were delighted to be joined by the three finalists. Andrew Brewer was awarded the Carbon Farmer of the Year Award for 2024, presented by Steve Dunkley, our sponsor from HSBC Agriculture (seen in the picture below). Andrew is part of the Farm Net Zero project and low GHG farming has been a top priority for him and his farm for a number of years. He manages 500 Jersey X dairy cows across his 400 Ha farm in Fraddon, Cornwall. He stood out to the judges for his understanding and application of a range of practices to enable his pasture-based dairy farm to remove atmospheric carbon into soil, trees, and hedges, while simultaneously minimising farm GHG emissions by focusing on maximising forage intake for his dairy cows and minimising inclusion of supplementary concentrate feeds. Andrew also selectively breeds his cows  to work well within his pasture-based system. There is an opportunity to tour his farm during a farm walk he is hosting on November 8th.

Carbon Farmer of the Year 2024 Winner Andrew Brewer, Ennis Barton (right) presented by Steve Dunkley, HSBC UK Agriculture (Left)

The other two finalists, Tom Burge and Jason Mitchell were  praised for their continued efforts to mitigate greenhouse gas emissions in their businesses. The finalists awards were presented by David Cope, Head of sustainability at the Duchy of Cornwall who was also on the panel of judges (seen below). Tom Burge, who featured in the mob grazing workshop has done fantastic work cultivating a low input grazing system which has seen vast improvements in his grass quality and sequestration potential. 

Similarly, Jason Mitchell is a Director of Greenville Dairies Ltd based in Newton Stewart, Northern Ireland. He has also been recognised for his continued effort to farm in a low carbon management system.  At Greenville Dairies they have reduced emissions from their 850 strong dairy herd, largely  through the application of genomics leading to greater feed efficiency alongside the development of a significant Anaerobic Digestion facility which sees them now taking in food waste alongside utilisation of cow manure to produce electricity, liquid natural gas (LNG) and digestate. Electricity  and LNG are sold to the grid and to Companies such as Lakeland Dairies (their customer for their milk).

Carbon Farmer of the Year 2024 Finalists Tom Burge (middle), Adel Tajouri representing Greenville Dairies (right), presented by David Cope (left)

Harmonisation of Carbon Accounting Tools for Agriculture – Webinar Replay

Watch a replay of this webinar held on the 11th September 2024 where representatives of the three major farm carbon calculators shared more details of the work they are doing together: Work to support UK agriculture to measure GHG emissions using the most up-to-date and accurate tools possible, harmonising the methodologies and outputs of their carbon calculation tools.

The three major farm carbon calculators featured in the Defra Report Harmonisation of Carbon Accounting Tools for Agriculture – SCF0129 who were Farm Carbon Toolkit, Cool Farm Alliance Community Interest Company and Agrecalc Limited – announced a collaboration earlier in 2024 by signing a Memorandum of Understanding (MOU), intended to harmonise the methodologies used in calculating the greenhouse gas (GHG) emissions from agriculture.

….. more webinar information to follow soon …..

Webinar Q&A

We received a great list of questions during the webinar event and teams from the various calculators will look to address those queries in due course.

Media contact: Kandia Appadoo (comms@coolfarmtool.org)


Three major farm carbon calculators outline a roadmap to harmonisation

The three major farm carbon calculators featured in the Defra Report Harmonisation of Carbon Accounting Tools for Agriculture – SCF0129 have announced a collaboration by signing a Memorandum of Understanding (MOU), intended to harmonise the methodologies used in calculating the greenhouse gas (GHG) emissions from agriculture.

Farm Carbon Toolkit, Cool Farm Alliance Community Interest Company and Agrecalc Limited have reached an agreement to work together to support UK agriculture to measure GHG emissions using the most up-to-date and accurate tools possible, harmonising the methodologies and outputs of their carbon calculation tools.

The three companies are looking forward to their joint work on this major challenge, to fulfil the requirements outlined in the comprehensive Report, compiled by ADAS throughout 2023. It is generally agreed that the overarching goal should be to reduce the overall greenhouse gas emissions  from agriculture through resource efficiency improvements,  optimising production practices and mitigating environmental impacts.

Liz Bowles, Farm Carbon Toolkit CEO, said:

We are not seeking to reach a point where all three calculators will produce the same answer for any given dataset. As the Defra report put it, “ there is no single ‘right’ answer”. Rather we are striving to make it possible for users to fully understand why different calculators produce different answers.

We plan to align with the Science-Based Targets initiative Forestry Land and Agriculture Guidance (SBTi FLAG) and draft Greenhouse Gas Protocol Land Sector Removals Guidance (GHGp LSRG) through our collaborative actions. This commitment underscores our dedication to maintaining high-quality standards and ensuring environmental sustainability in our operations, and in calculation outputs.

Scott Davies, Agrecalc CEO, said:

It is intended that we agree on a common set of data sources which all three calculators will use. All calculators can go beyond these baseline requirements, and all parties to this MOU will retain their commercial independence. We will also involve the relevant government and other organisations’ teams with our work plan as we develop it.

This collaborative approach supports a joint understanding of industry requirements and advancing consistency in our tools and methodologies. Our goal is collaboration with industry, trade bodies, and fellow calculator providers in the UK and internationally, so that we can actively contribute to the development of more consistent approaches to on-farm carbon calculation.

Richard Profit, Cool Farm Alliance CEO, said:

We are looking forward to this collaboration, as it will help align methodologies where that makes sense and that will especially allow us to look into new areas that require attention. How we then incorporate the new information in our calculators will vary from calculator to calculator as a result of our different base approaches.

We will also ensure that the tools include the latest and most robust scientific findings into their frameworks and roadmaps.

The calculators are seeking that this joint work become the “agreed way” and at some point, become a minimum required standard for all calculators to adopt. The companies will engage in consultations with Defra, Welsh Government, Scottish Government, and Northern Ireland Government to reach a practical and realistic form of ongoing validation of their harmonisation work.

Methodologies or other harmonisation solutions developed as a direct result of the MOU will be published transparently, or will otherwise be made available for others to use.

Although this MOU currently only involves the three major companies in this space, the group is open to other calculators joining the coalition so long as they publicly provide transparency in their Calculator methodologies. 

We will be holding a joint webinar on the 11th September 2024 at 1pm – 2pm to share more details of the work we are doing together. Please register here if you would like to join us

Notes to Editors

Farm Carbon Toolkit is an independent, farmer-led Community Interest Company, supporting farmers to measure, understand and act on their greenhouse gas emissions, while improving their business resilience for the future. 

The Farm Carbon Calculator uses the IPCC 2019 and UK GHG Inventory methodologies and is aligned with the GHG protocol agricultural guidance. Recent development has allowed us to provide greater interoperability with other data platforms through our Report Export API and Carbon Calculation Engine API. This represents a step-change in the industry’s ability to provide trustworthy carbon footprints with transparent methodologies on platforms where farmers already collect data, thus reducing the data inputting onus on farmers. This new functionality has been warmly welcomed by supply chain businesses who are now using our Calculation Engine to support their customers without need for further data entry. 

The Farm Carbon Calculator is used across the UK and on four continents with global usage growing at around 20% per year. 

For over a decade, Farm Carbon Toolkit has delivered a range of practical projects, tools and services that have inspired real action on the ground. Organisations they work with include the Duchy of Cornwall, First Milk, Tesco, Yeo Valley and WWF. The Farm Carbon Calculator is a leading on-farm carbon audit tool, used by over 8,000 farmers in the UK and beyond. To find out more visit www.farmcarbontoolkit.org.uk 

Media contact: Rachel Hucker (rachel.hucker@farmcarbontoolkit.org.uk; 07541 453413) 

Agrecalc, a carbon footprint tool developed by combining practical expertise with world-class agricultural science, is a precise instrument that offers both breadth and depth of on-farm and through-the-supply-chain calculations of GHG gas emissions.

Agrecalc is the largest source of collated farm benchmark data from thousands of farms, having been used as the designated tool to deliver carbon audits under various schemes since 2016. It is recognised as the preferred carbon calculator in many of the emerging government programmes.

With a mission to increase efficiency and business viability of food production, the scientists, consultants, and developers who work on Agrecalc, strive to constantly upgrade the calculator according to the most up-to-date available research results and recommendations.

Media contact: Aleksandra Stevanovic, Head of Marketing; (aleksandra.stevanovic@agrecalc.com; 07551 263 407)

Cool Farm Alliance Community Interest Company is a science-led, not-for-profit membership organisation (community interest company) that owns, manages, and improves the Cool Farm Tool and cultivates the leadership network to advance regenerative agriculture at scale.

For over fifteen years, the Cool Farm Alliance has worked to put knowledge in the hands of farmers and empower the full supply chain to understand and support agro-ecological restoration by providing a respected, standardised calculation engine to measure and report on agriculture’s impact on the environment. The Cool Farm Tool has established widely endorsed, science-based metrics for water, climate, and biodiversity, supported in 17 languages and used in more than 150 countries around the world.

Cool Farm Alliance members share the need for a respected, consistent, standardised, independent calculation engine and have joined the Alliance to ensure the Cool Farm Tool meets this need, now and in the future.  To find out more visit https://coolfarm.org/

Media contact: Kandia Appadoo (comms@coolfarmtool.org)

The Farm Carbon Calculator Update – October 2024

Farm Carbon Toolkit Team at annual field day - announcing update to Farm Carbon calcualtor

The calculator just got a little bit bigger and better

This October all calculator users will benefit from an incremental update to The Farm Carbon Calculator. We’re always looking and listening for ways to improve the tool – and in accordance with our annual development cycle we’ve added some as quickly as we can in this update.

The changes described below change our transparent methodology, and are listed in detail in an update note – read it

Image showing crops next to a simple calculator

© copyright Farm Carbon Toolkit – AI Generated

What’s new?

Calculated emissions adapt to reflect your crop management decisions

We know there are a wide range of practices around how crops are harvested or managed. Whereas before we relied on averages to calculate emissions here, now you can account for the specific way you manage each crop. The more detail you can enter, the more accurate your footprint will be.

The update applies to all crops – here’s some examples and the new ways the calculator estimates related emissions from these:

For agricultural crops like barley you can now choose from options relating to the amount of crop residue – you will see the following options:

  • Most of the barley straw left in the field
  • Half of the barley straw removed, half left in field (default)
  • Wholecrop or most of the barley straw removed from the field.

For your horticultural crops like potatoes you can also indicate what happened to residues:

  • Most of the crop residues left in field (default)
  • Most of the residues removed after harvest.

For green manures, temporary grasslands and cut forages select from the following:

  • Green manure with all residues left in field after mowing (default)
  • Forage crop with half of the residues foraged in place
  • Cash crop with all residues removed from the field.

Where you don’t have the detail to enter we revert back to a sensible default which suits the crop in question. So don’t worry – we’ve done this so the Calculator remains easy to use and crops can be entered just as before where needed.

Emissions now calculated from fruit crops

Until now the Calculator has accounted for fruit crops so yields can be recorded. Our research has reached a level of detail where we can confidently indicate emissions associated with this fruit yield – whereas before we could only account for sequestration from perennial fruit crops. 

Emissions are now calculated from the growing the fruits alongside detail on their management and their renewal rate where applicable. It is this level of detail that has allowed us to take this step – which we think greatly improves the calculator for fruit farms.

Log in to see emissions for: Blackberries, Blackcurrants, Blueberries, Cranberries, Gooseberries, Raspberries, Redcurrants, Strawberries, Apples, Cherries, Grapes, Hops, Kiwiberries, Nuts, Pears, and Plums.

Better record of the operations and activities on your farm

Accounting for fuel use and farming operations just got even easier. We’ve increased the amount of modelled emissions for different farm operations by working closely with industry professionals. 

If you don’t have all your fuel use figures but you know what farming operations you completed or contracted out, we’re confident you will be able to record this. Choose from 47 different activities like drilling, harvesting, soil preparation, bailing and much more. You’ll know the number of different types of operations needed on your farm – it’s likely that if you do it, we can help estimate emissions from it.

Here’s an example of the options now available under the general category of baling:

  • Running a bale wrapper
  • Baling by the bale – Small rectangular bales
  • Baling by the bale – Round bales
  • Baling by the bale – Heston bales
  • Baling by area ~250 Small rectangular bales per ha
  • Baling by area ~15 Round bales per ha
  • Baling by area ~7.5 Heston bales per ha
  • Baling by area (general).

More detail to capture your unique farm’s purchases and waste

More packaging can now be accounted for in your report. © copyright Farm Carbon Toolkit – AI Generated

We listened to feedback and added more options to help record unique purchases on your farm for your carbon footprint report. All farms are different so you may not see all these changes but here are the main additions:

  • There are more material items accounted for in our already extensive list; things like sheep hurdles; packaging used by dairy producers and in veg boxes; and a range of cleaning products, detergents and disinfectants
  • More items thrown away or disposed of can be simply accounted for by selecting options from our extensive list
  • If you produce your own hay and haylage this can be recorded, alongside silage and straw, feed and bedding. Following our updates to crops on-farm, this detail allows more of what you do to be recorded – though it doesn’t necessarily result in emissions calculations. You’ll find full details of what creates emissions within the calculator as you enter each item, and in our methodology and update note.

Your own feed haylage, silage, and more can be recorded in your report. © copyright Farm Carbon Toolkit – AI Generated

Better visibility of Greenhouse gas type and scope

When a report is downloaded in CSV or JSON formats you will now receive a more detailed split of greenhouse gas for each item on your report, which is also broken down by emissions scope. We’ve been asked for this from farmers and agricultural professionals using the calculator – often those reporting onward emissions to others in the supply chain looking for this detail. 

Your reports won’t change

We know consistent reporting is important to you so we have ensured carbon reports in our system will not automatically change because of this update. This means all your calculated figures will stay the same.

Do note however that if you modify an old report by adding items to it, or if you click ‘recalculate’ then your report will update in the relevant places based on this update. You may want to update it, particularly if you have crops in your report, as you may want to see changes due to the improved accuracies mentioned. 

If you want to preserve your old report but also change or build scenarios from it, you can lock your report so it cannot change and create a copy of any report from your dashboard to begin making alterations. Name these reports so you can easily tell them apart. Talk to us if you are not sure and we can advise you.

When is our next update?

These updates are scheduled to take place at least twice per year with an incremental update in Autumn and a larger annual update in Spring. 

We are here for farmers and users and our updates like this reflect all our priorities. We engage our farmer network and the Farm Carbon Toolkit team in the update process by gathering feedback on how the current version is working alongside suggested improvements. We order the feedback we receive by quality and what is achievable, and plan our next upgrade in accordance with our ongoing schedule.

We’d love to hear from you

Our friendly team can be reached to help answer your questions – talk to us.

Remember there are a range of resources for users of the Calculator and useful FAQs and videos too.

Your Farm Carbon Calculator Team – October 2024

Lizzy Parker – Calculator Manager

James Pitman – Calculator Development Officer

Grace Wardell – Calculator Development Officer

Izzy Garnsey – Data Scientist

Calum Adams – Calculator Data Assistant

Michael Brown – Customer Service Officer

Farm Carbon Toolkit – meet the team

New Calculator Updates – April 2024

The FCT Calculator team has released a significant update to the Farm Carbon Calculator, designed to ensure that your reports reflect the latest emissions data and understanding available. This update, which will affect any reports ending after 1st April 2024, encompass a range of improvements aimed at enhancing report accuracy, flexibility and calculator usability. Below are some of the main changes you will see to the calculator.

Updated emissions factors

We want to ensure that your reports align with the most recent scientific research and methodologies, and to that end we have updated our emissions factors across various categories, including: 

  • Updated UK GHG Inventory factors to the latest data (affects fuels, materials, distribution, processing, inventory and waste)
  • Updated the livestock, cropping and input emissions factors in line with the most recent IPCC standard refinements
  • Updated woodland sequestration factors in accordance with the latest Woodland Carbon Code

Numerous other emissions factors have been updated across the calculator, and for a more extensive breakdown of these changes, see Table 1 of our “What’s new for April 2024 update” document on the Calculator resources page.

New factor options

In this update we have also expanded the options available when report building to offer more comprehensive coverage of farm businesses. The new factors we have added include:

  • New fuel options such as alternative diesels and purchased heat and steam
  • Diverse new material options, such as more fencing materials, piping options, packaging choices, and agricultural consumables.
  • Expanded imported organic fertility and cropping options, including whole cropping
  • New fertiliser (including liquid fertilisers) and spray options, with provisions for unlisted items
  • Inclusion of hay and haylage as livestock feed options
  • Expanded distribution options, including electric vehicle haulage and various air freight options

Alongside adding new options, we have provided some more refined options for existing factors in the calculator, including: 

  • New managed hedgerow options, to allow reports to reflect the higher biomass accumulation of young hedges
  • We now have a non-UK electricity option for international users, allowing you to input your emissions using your nation’s specific emissions conversion factor
  • More options for structures, including new agricultural building size options and various new complete fencing options

A full overview of the new additions and refined items are available in Table 2 of the “What’s new for April 2024 update” document, as well as flagged in the new data collection sheets available on our Calculator resources page.

Accounting for Capital Items

With this update we have provided more flexibility in how capital items (such as farm machinery or agricultural buildings) are accounted for to ensure that your reports are in line with your desired reporting approach. You can choose to account for capital items in two ways:

  • Depreciating over 10 years” – The legacy method with emissions “spread” over a 10 year period
  • Upfront” – an approach which is compliant with the GHG protocol agricultural guidance. This way embedded emissions from capital items are associated with the year they were purchased, and only the emissions from your reported period will be included in your report

Not all standards require the inclusion of capital items, so if you are producing a report for someone else you should check whether they want capital items included. 

You can also switch between inventory reporting options by going to “Edit Farm Details” and you will not lose any data switching between the two.

Reporting waste

A new waste disposal reporting approach has been developed to ensure there is an accurate assessment of emission and these are accounted for in a GHG protocol compliant manner. How waste is reported can be selected on the report information page as with the new inventory options:

  • Legacy” is the existing approach which compares emissions from disposing of wastes to what would have been emitted had the waste been sent to landfill (i.e. it includes “avoided emissions”)
  • GHG protocol compliant” is the new recommended option as it discounts any “avoided emissions” and accounts just for the emissions resulting from the disposal method selected

New Data Collection Sheets

To facilitate data collection, we provide updated sheets with all new calculator items flagged for easy reference. You can find these on our Calculator resources page.

More information

For a more detailed overview of these changes and the methodologies behind them, please visit our Calculator resources page. Additionally, our website offers various help and guidance to assist you in reporting your farm businesses’ carbon footprint.

We are dedicated to providing an accurate and user-friendly carbon calculator that can help farmers improve their business and environmental resilience. This update has been the product of the hard work from our team in response to contributions and feedback from our users, so if you have any queries or insights for the calculator please email us at calculator@farmcarbontoolkit.org.uk, and we will work to make this the most accessible and informative tool for you.

Farm Carbon Toolkit teams up with LiveTrace

Integration with Livetrace will allow automated carbon footprinting of the potato sector.

Farm Carbon Toolkit is delighted to announce the development of an integration between LiveTrace and the Farm Carbon Calculator softwares, underpinned by our longstanding collaboration with Mercian Ltd, the UK’s largest supplier of Crisping Potatoes. 

Farm Carbon Toolkit is using its years of experience in Carbon footprinting to support carbon calculations on LiveTrace’s existing platform, bringing additional insights to the crisping potato supply chain and building on the joined-up approach LiveTrace provides for the industry.

Photo:  Kai Oberhäuser, Unsplash

Farm Carbon Toolkit’s Calculator Development Manager Dr. Lizzy Parker explains the motivation behind the collaboration.

“For over a decade, the Farm Carbon Calculator has supported farmers to understand their business through a carbon lens. Farmers are all at different stages on their carbon journey, but we believe an important first step is to get farmers thinking about the options they have to reduce emissions and remove carbon from the atmosphere. By working with LiveTrace to bring insight to farmers who are already collecting the bulk of the data they need to calculate their carbon footprint, we can support a significant proportion of the industry to understand its role in reducing emissions“

We have worked closely with Mercian Ltd to improve our calculator for one of the most important agricultural sectors in the UK. We’re now excited to see how a more seamless user experience will support more farmers and their customers to engage with action to reduce emissions.”

“As the largest supplier of crisping potatoes in the UK we felt the time was right to take the initiative” explains Jon Kemp, Director of Livetrace. “The input we received from Farm Carbon Toolkit has been both professional and very much inspirational for us. This has led to a joint approach that is building our understanding of the carbon intensity within the crisping potato supply chain. We have leveraged the data which is already being collected by the LiveTrace software as part of the everyday farming activities, together with FCT’s expertise to understand the carbon impact and guide farmers to more sustainable practices. 

We are truly hoping that technology such as this will help the UK potato industry play its part in the positive changes which are taking place across agriculture. “

About the Farm Carbon Toolkit 

Farm Carbon Toolkit is an independent, farmer-led Community Interest Company, supporting farmers to measure, understand and act on their greenhouse gas emissions, while improving their business resilience for the future.

For over a decade, Farm Carbon Toolkit has delivered a range of practical projects, tools and services that have inspired real action on the ground. Organisations they work with include Velcourt, the Duchy of Cornwall, First Milk, Tesco and WWF. The Farm Carbon Calculator is a leading on-farm carbon audit tool, used by over 7,000 farmers in the UK and beyond. To find out more visit www.farmcarbontoolkit.org.uk 

We created one of the first tools (Farm Carbon Calculator) to audit GHG emissions on farm in 2011 and were one of the first to include carbon removals as well as emissions within our audit.

For further information or to start your first carbon footprint visit calculator.farmcarbontoolkit.org.uk 

How to avoid ‘double counting’ your carbon

Carbon accounting is a fast-moving space, and here at FCT, keeping on top of best practices is one of our top priorities. We commission regular external reviews of all our emissions factors to make sure we’re as compliant and up-to-date as possible. And yet even with the best data available, there’s always the possibility of human error (we all do it!) cropping up in a carbon report. 

One area we’re particularly keen to address is how to avoid ‘double counting’ when it comes to farming footprints. This refers to counting the same carbon/CO2e in different places, often (but not always) in the same report. 

For example, you might record all your freight and logistics fuel use in the ‘Fuels’ section of our Calculator, only to duplicate the entry under the ‘Distribution’ section. This would result in counting the same emissions twice, artificially inflating the total emissions figure. 

These errors can be subtle and easy mistakes to make, so it’s worth reading on to find out how to avoid them and embrace best practices.

How is double counting possible?

Our Carbon Calculator has many different emissions factors that you can record, reflecting the wide variety of needs and business profiles in modern farming. Because of the need for informative metrics and KPIs, our Calculator sometimes offers the option to record an emission or offset in more than one section. 

You can therefore choose to either record all of the carbon in one section, or to split it out for better insight in your final report. For example, you may want to be able to see the amount of fuel used in farming operations vs. the fuel used in the distribution of goods. Being able to record the carbon in more than one place is crucial to business insight, but it does introduce the risk of error. 

If we want to use these informative metrics, then it’s important to be aware of when you might double-count your carbon. 

Where in the Calculator might I be double counting?

We’ve listed below some of the most common areas where double counting may occur in our Calculator. For each one we’ve given an example of how it occurs, and the best practice in order to avoid it. 

Animal Feeds – Home grown vs. Bought in 

If you are growing your own animal feed on-farm, then you don’t need to account for this in the ‘Livestock’ section. To do so would overestimate your emissions. The Livestock section is only for feeds that are specifically bought in.

To avoid the double count: Make sure that anything recorded as a feed in the Livestock section is a bought-in feed. If not, it doesn’t need to be counted there!

Materials vs. Inventory

The Materials section of our Calculator allows you to record a wide variety of items that are used in construction and repair work. Our Inventory section, on the other hand, is there to record larger capital items such as new outbuildings or farm machinery. This difference is key, as any items within the Inventory section will have their carbon impact depreciated over a period of 10 years.

It’s also possible to record your own custom building projects inside the Inventory section. For example, you might choose to record all the materials associated with a new outbuilding. This might be done so that you can achieve a more precise footprint for a non-standard construction. 

Where materials are purchased for running or regular repairs of existing installations, record these in the Materials section.

To avoid the double count: Make sure you’re not recording any custom-build projects in both Materials and Inventory. They only need to be recorded in one of these sections!

Sequestration – Double Counting Offsets 

If you have previously sold any carbon offsets, for example through soil organic carbon sequestration, then you should not count the offset in your report. To do so would be an example of double counting as the benefits are no longer attributable to your farm business. 

To avoid the double count: Make sure you’re only recording potential sequestration that hasn’t been sold or accounted for elsewhere. 

Sequestration – Double Counting potential sequestration

If you have entered an area of land under the sequestration option: “Soil Organic Matter” or “Soil Organic Carbon” (using information from soil sampling), you should not also enter those areas of land under other sequestration options (such as Countryside Stewardship Schemes, even if the land is receiving payment for that scheme). Direct soil sampling is preferable in this scenario. Similarly, whilst in practice you can “stack” the payments you receive from stewardship grants, you must only enter areas of land for sequestration under one potential sequestration option (so if “My field” is 5ha, I can enter soil sampling data from those 5ha OR the fact that they are under a Countryside Stewardship Scheme).

To avoid the double count: Include each field area under only one potential ‘Sequestration’ option.

Fuel Use – Distribution vs. Farming Operations 

If you want to split out your fuel use into distribution and farming operations, you have the option to record these separately. Any farm fuel use such as red diesel can be recorded under ‘Fuels’. Any fuel used in moving goods can be put under ‘Distribution’. 

To avoid the double count: We recommend splitting out fuel use between ‘Fuels’ (i.e. farm operations) and ‘Distribution’.

The Exceptions

As with all good rules, there are some apparent exceptions:

  • you CAN add multiple crops that have been grown on the same area of land in the same year (but only include those that have been harvested or terminated within the reporting period). 

Free-to-Use Equine Carbon Calculator

Taking The Reins: Equine Carbon Calculator Launched to Inspire Environmental Action

A consortium of equine organisations is rallying the industry to play a leading role in addressing the climate crisis and shaping a better future, with the launch of the first nationwide equine carbon calculator today.

Pioneered by equine environmental sustainability specialists White Griffin and the Farm Carbon Toolkit, in partnership with Derby College Group, Hartpury University and Sparsholt College Group, the calculator has been developed to empower equine businesses and horse owners to better understand their environmental impact and take meaningful steps to mitigate it.

The free-to-use tool – accessible here – also identifies opportunities for businesses to minimise their energy costs and maximise their potential to regenerate the countryside.

While carbon footprint tools are prevalent in the agricultural sector and play a pivotal role in government carbon reduction targets, no such tools have been available at scale for equine premises until now.

Without insights into the scale of the challenges and opportunities, the equine industry is hindered in setting meaningful targets. The equine carbon calculator seeks to bridge this gap, empowering stakeholders to make informed decisions for a sustainable future.

Director of White Griffin, Ruth Dancer said:

“The equine community holds a deep connection to the natural world, so we have a unique opportunity to safeguard it for future generations. By implementing the equine carbon calculator, we can better understand our emissions and find innovative ways to reduce them, saving money and paving the way for a better future.”

The launch of the carbon calculator marks the beginning of a comprehensive campaign to educate and inspire the equine industry on environmental sustainability. This initiative will be complemented by a suite of resources set to launch in autumn, offering support to stakeholders across the horse racing and equestrian sectors.

It follows a broader industry shift toward a more sustainable future for equestrians and horse racing, underscored by the tangible impacts of climate change on the industry. Following the hottest year on record in 2023 coupled with significant flooding, the UK equine industry suffered multiple cancellations across the full spectrum of events, highlighting the urgency of addressing these challenges. 

White Griffin’s previous reports for the British Horse Racing Authority and the British Equestrian Federation, have laid strong foundations for these sustainability initiatives, emphasising the need for tools and resources to support businesses in their sustainability efforts.

Farm Carbon Toolkit project lead, Lizzy Parker said,

“After years of supporting agricultural farms with reducing their environmental impact through a clear and easy-to-use tool, we know how important measuring to monitor is. Our calculator allows equine businesses to properly understand their carbon footprint and make the necessary changes to reduce their emissions.”

The equine carbon calculator is the result of a collaborative effort among academic institutions committed to driving real change in the industry.

The project began when Assistant Principal of Derby College Group, Jon Collins, began work on their own carbon footprint and discovered that while the tool had everything they needed to understand the farm’s footprint, they struggled to use it for their equine yard. Speaking with Sparsholt College Group and Hartpury University, Collins discovered that both organisations were also seeking to develop a tool to support their equine students and businesses and therefore a collaboration was formed in order to pool resources. Collins said,

“I chose Farm Carbon Toolkit to develop the resource because I found their tool to be easiest to use and provided the best user experience. Understanding the busy lives of equine business owners, we knew that we had to develop something that was clear, useful and also provided invaluable insight and comparisons with other equine businesses. We are proud to be delivering this with the support of Landex and will be rolling the tool out to all students, organisations and interested individuals who are seeking to make a difference in their day to day lives to the environment we all depend on.”

Project lead for Hartpury University, Rachel Collins, said: “We’re passionate about sustainability at Hartpury and have worked with both White Griffin and Farm Carbon Toolkit to deliver the most up-to-date training and knowledge to our students on equine sustainability. This tool represents an important step in our commitment to drive the industry forward towards a sustainable future. We are proud to be part of this collaboration, leveraging our expertise to empower stakeholders and effect meaningful change.”

Mark Treagust, Vice Principal of Sparsholt College Group said: “Collaboration within the equine sector is vital to address our industry’s greatest risk – the climate crisis. Leveraging our collective wealth of knowledge in land management and equine welfare, we must support businesses in making impactful changes. This tool initiates a large-scale process for thousands of individuals all over the country. By uniting as academic institutions and utilising the Landex network, we can effect real, much needed change.”

Farm Carbon Calculator External Review Completed

Farm carbon calculator logo

By Liz Bowles, Farm Carbon Toolkit Chief Executive

Having confidence in the accuracy of the Farm Carbon Calculator

In a recent blog post, we explored all the factors that influence the accuracy of carbon footprint, from the data the user inputs, through to the processes that ensure the Farm Carbon Calculator’s calculations and emissions factors are correct, and the ongoing testing carried out. However, like any good service, we understand that you want independent experts to endorse our tools.

Feeling confidence from external experts

Like any good service provider, we actively and regularly seek external review of our tools. In autumn 2023 we asked the independent global climate consultancy, the Carbon Trust to review our Calculator, including the methodologies, calculations, assumptions and factors that underpin a working calculator against the GHG Protocol standards. Following this review, we have developed an Action Plan to address issues identified which will be completed by December 2024.

Alongside this work, Defra commissioned ADAS to look at a number of leading UK Carbon Calculators to improve our understanding of the differences between them and to support methodology harmonisation going forward.Our Calculator was one of those included in the comparison. A key finding from this work was that although there are many ways to complete a carbon footprint inaccurately there is no “one way” of doing it accurately. This is mainly because the different Calculators compared are seeking to answer slightly different questions.

The differences identified were found in the areas of scoping, emissions factors used and standards aligned with

Scoping describes what is measured, and some calculators include things that others don’t. At the Farm Carbon Calculator, for instance, we measure as much as possible of a farm business. This includes, for instance, the embodied energy in buildings and machinery, upstream emissions of various inputs, and gives the option to estimate all potential carbon sequestration on farm. Not all calculators go this far.

There are some standard and some non-standard emissions factors used. For instance, the UK Government produces a comprehensive list of emissions (UK GHG Inventory & Conversion Factors) from fuels and energy, livestock and crops that all calculators will use. But some of the other factors come from a range of other scientific papers and there may be some variability in which ones are used by different calculators. All calculators currently carry out their own research independently of each other.

The UK Department for Energy Security and Net Zero publishes annual updates to emission factors

There are a number of standards that describe what and how to measure carbon footprints. Whilst there are a number of standards that relate to food and farming, there is a lack of consensus over which standard is ‘the one’ to adhere to. We are therefore implementing a process whereby users can choose to align their carbon reports to one of a few recognised standards. This will be available in due course.

You can find the full report and recommendations in the ADAS Report for Defra.

Following this report, we are working actively to support higher levels of harmonisation where this is possible to reduce results variability from different Calculators. 

Hopefully, this gives you, our valued users, confidence that we are rigorous in our processes, that we conduct regular independent reviews, and that we are fully engaged with industry, Government and reviewers to improve and meet the expectations of a maturing sector.

As an organisation that exists to help farmers and growers measure, understand and reduce their carbon footprint,  we always operate in the best interests of our users which includes ensuring our Calculator is as accurate as possible at all times. We are independent, providing a free carbon calculator for farmers and growers, and have a process of continual improvement in place. As a regular user of our Calculator, you can always compare current and past results using the most up-to-date Calculator, allowing you to track business progress to net zero.

You can find all you need to know about the Farm Carbon Calculator here. If you need more information please contact us at calculator@farmcarbontoolkit.org.uk or phone us on 07541 453413.

Building trust in Carbon Calculators in Agriculture

Farm carbon calculator logo

By Liz Bowles, Farm Carbon Toolkit Chief Executive

In a recent blog post, we explored all the factors that influence the accuracy of carbon footprint, from the data the user inputs, through to the processes that ensure the Farm Carbon Calculator’s calculations and emissions factors are correct, and the ongoing testing carried out. Here we would like to tell you about how we are involved with activity to support Calculator harmonisation to increase levels of trust in all UK Farm Carbon Calculators.

Defra is very keen to support the agricultural sector in embracing greenhouse gas accounting. To this end in 2023, they commissioned ADAS to look at a number of leading UK Carbon Calculators to improve our understanding of the differences between them and to support methodology harmonisation going forward. Not surprisingly the differences between the Calculators investigated arise from three main areas – scoping, factors and standards.

Scoping describes what is measured, and some calculators include things that others don’t. At the Farm Carbon Calculator, for instance, we measure as much as possible of a farm business.

There are some standard and some non-standard emissions factors used. For instance, the UK Government produces a comprehensive list of emissions (UK GHG Inventory Conversion Factors) from fuels & energy, livestock and crops that all calculators will use. But some of the other factors come from a range of other scientific papers and there may be some variability in which ones are used by different calculators. 

There are a number of standards that describe what and how to measure carbon footprints. Whilst there are a number of standards that relate to food and farming, there is a lack of consensus over which standard is ‘the one’ to adhere to.

Guidance for all carbon calculators

A series of recommendations for all Carbon Calculators, Industry and UK governments were made by ADAS as a result of this work – ADAS report . Here we list those recommendations and how we are implementing them.

SectorWhat is the ask?What is FCC doing?
Industry and GovernmentClearly define the scope required for farm level carbon assessments and how they will be usedWe are actively working with industry bodies to harmonise the way emissions data is collected and calculations are made
CalculatorsAlign with the requirements of the latest standards and guidance – currently GHG Protocol standardsFollowing our Carbon Trust Review we are implementing our agreed action plan to ensure full alignment with the GHG Protocol
CalculatorsRegularly review and update Calculators to account for changes in scientific knowledge, carbon accounting methodologies and new emission factorsWe update the Calculator in spring and autumn each year, covering all three areas outlined in the recommendation
CalculatorsComply with the latest IPCC guidanceWe already adhere to IPCC guidance
CalculatorsTo use emission factors from agreed sources for the embedded emissions in fertilisers, feed and fuelsWe base emissions factors on the GFLI database, which is considered the most robust source of this data. However, we would welcome a more UK-centric database which is required to be used by all Calculators. Agricultural carbon tools have been struggling with the challenge of embedded emissions in purchased livestock for years
IndustrySupport the development of appropriate emissions factors for the embedded emissions in purchased livestock
CalculatorsPresent outputs in compliance with the latest standardThrough our adoption of the Carbon Trust Recommendations our outputs will align with the latest standards
Government and industryDefine consistent disaggregated output categories for use by all calculators.(not applicable)
Calculator providersBuild user confidence through transparency of approach and third-party verification of the alignment of calculators to minimum standardsOur methodology is freely available on our website and we annually carry out an independent review of the Farm Carbon Calculator

Alongside the work of ADAS, FCT is working with other UK Calculators as well as industry bodies such as Dairy UK to support more rapid harmonisation to reduce report results variation for farmers. Watch this space!

As an organisation that exists to help farmers and growers measure, understand and reduce their carbon footprint,  we always operate in the best interests of our users which includes ensuring our Calculator is as accurate as possible at all times. We are independent, providing a free carbon calculator for farmers and growers, and have a process of continual improvement in place. As a regular user of our Calculator you can always compare current and past results using the most up-to-date Calculator, allowing you to track business progress to net Zero.


You can find all you need to know about the Farm Carbon Calculator here If you need more information please contact us at calculator@farmcarbontoolkit.org.uk or phone us on 07541 453413