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Quality assurance in the voluntary carbon market

When you buy carbon credits, you want to know your support delivers genuine impact. This page outlines the recognised standards we work to and the safeguards we have in place, so you can be confident you’re backing high‑quality projects.

The Woodland Carbon Code

The UK’s quality assurance standard for quantifying carbon benefits from woodland projects.

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The Peatland Code

The UK’s quality assurance standard for quantifying carbon benefits from peatland projects.

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International Standards

The quality assurance standards that our international carbon projects adhere to.

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The UK’s government-backed standard for carbon-funded peatland restoration

The Peatland Code (PC) provides a robust, science-based framework for generating independently verified carbon credits from peatland restoration projects in the UK. It is supported by the UK Government and IUCN, and is currently seeking endorsement from ICROA and ICVCM, which it expects to receive.

PC website
PEATLAND CODE logo with the letter E replaced by three symbolic squares: light ground with green specks, a yellow background with a bird-like figure, and dark green foliage.

PC's impact since 2015

378
restorations
53,375
hectares
9.4
mtCO₂e

4%

Forest Carbon has had a hand in delivering nearly 4% of all Peatland Code projects since its inception.

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Co-benefits delivered by the code

Local impact

Local impact

PC projects are based in the UK, enabling companies to invest directly in the landscapes and ecosystems that support their operations and communities.

Water quality

Water quality

Peatlands feed major UK water sources, providing naturally clean water that requires minimal treatment. This saves energy and cuts costs.

Biodiversity

Biodiversity

Restored peatlands create habitat for a wide range of plants, birds, insects, and mammals, supporting species recovery.

Green jobs

Green jobs

Peatland restoration and management generate local employment, stimulate rural economies, and build skills in sustainable land management.

Learning opportunities

Learning opportunities

Peatlands can provide outdoor classrooms and hands‑on learning opportunities for schools, community groups, and environmental training programmes.

Flood resilience

Flood resilience

Healthy peatlands act like sponges: they absorb and slowly release water, which helps reduce the risk of flooding downstream and supports overall catchment health.

Living archive

Living archive

Healthy peatlands create oxygen-free conditions that preserve artefacts, structures, and evidence of past environments and cultures for thousands of years.

Aesthetic value

Aesthetic value

Healthy peatlands are vibrant, thriving, diverse landscapes that are interesting and enjoyable to look at.

Quotation

Peatlands are among the most valuable ecosystems on Earth and a stark example of how important our natural environment is to our wellbeing. Occupying just 3% of the Earth’s land surface, peatlands are our largest carbon store on land. They are places where people derive clean water and food, and can act as buffers for environmental disasters, such as flooding. They are also of global significance for biodiversity with the majority of peatland species and habitats rare, threatened or declining.

- Inger Anderson, Director of the IUCN

FAQs

Why partner with Forest Carbon?

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Forest Carbon is one of the UK’s most established woodland and peatland project developers. Between 2006 and 2022, we played a direct role in 4% of all woodland creation in the UK (Forest Research and IHS Markit). We’ve been active since before formal carbon standards existed, and we helped to create the Woodland Carbon Code and Peatland Code. This experience has given us a deep understanding of what both land managers and businesses need to make UK-based nature projects happen.

For buyers, we offer confidence and clarity. We guide you to high-quality carbon credits that are credible, well-governed, and aligned with your sustainability goals.

For land managers, we offer flexibility and practical support. We understand the challenges of land use change, and we know that every project is different. That’s why we offer adaptable funding models, including upfront payments before a buyer is secured, to help get your project off (or into) the ground. We also take care of the complex admin so you can focus on what matters: managing your land.

You can read more about our experience on Our Story.

How experienced is the Forest Carbon team?

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We have a combined 55 years of experience in the carbon market industry. Our Founders, Steve and James, helped to kickstart the UK voluntary carbon market and its Codes. Additionally, across the team, we have experience in agricultural trading, finance, farming, forestry, ground gas analysis, teaching, surveying, property development, food security, GHG reporting, and more. To understand more about the skills across the team, visit our Team page.

Does the Voluntary Carbon Market really drive climate action?

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The Voluntary Carbon Market (VCM) has faced scrutiny in recent years. Some projects have fallen short, and there’s debate about whether putting a price on nature can drive real change. While some criticisms are valid, and debate is important, dismissing the entire market overlooks its growing role in funding large-scale ecosystem restoration.

When used well, carbon credits are not a shortcut or excuse. They help organisations go further and faster in reducing their climate impact.

Recent research backs this up: MSCI found companies that buy carbon credits are 1.8 times more likely to reduce emissions annually than those that don’t. Ecosystem Marketplace reports they are also over three times more likely to have science-based targets, including Scope 3 emissions.

Done right, the VCM channels essential private finance into restoring woodlands, peatlands, and other vital ecosystems. Nature-based credits deliver more than carbon savings — they also enhance biodiversity, improve air and water quality, boost resilience to flooding, and much more.

Buying high-quality carbon credits means contributing to real, measurable climate action and helping restore the landscapes we all rely on.

How do you verify that your projects are delivering real, tangible benefits?

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In the UK, we often work directly with land managers, helping them to plan their woodland and peatland projects, to get them validated through the government-backed Woodland Carbon Code or Peatland Code (if they plan to sell their carbon), and to connect them with buyers. So, in addition to meeting standards set out by the Woodland Carbon Code and Peatland Code, they also carry the reassurance of our hands-on experience.

Unlike our UK projects, we do not have a direct hand in the development of the projects we retail from overseas. However, we ensure the projects are carefully selected and only work with trusted, long-standing partners. All international projects are certified under recognised high-quality standards, such as Plan Vivo, VCS (Verra) and Gold Standard, following and adhering to core principles to ensure the claims they’re making.

All project documentation, including PDDs, carbon calculations, and verification documents, is publicly available on their relevant registries.

We continually look to improve how we assess the projects we offer, including using third-party experts to carry out analysis, due diligence and vetting.

How do you calculate how much carbon a restored peatland will avoid?

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We use scientifically developed models set out by the IUCN Peatland Code to assess how much carbon will be avoided as a result of peatland restoration. These models are reviewed by a technical advisory board and updated when further evidence merits a change.

Carbon estimates are project-specific and based on the peat profile and management plan. To calculate the claimable net emissions reduction, the Peatland Code requires deducting estimated restoration emissions and applying a 5% buffer to account for data uncertainty. From the remaining total, 20% is set aside in the Risk Buffer to ensure permanence. The final figure represents the number of credits available for sale. See the calculation below.

  • Claimable net emissions reduction = gross emissions reduction - carbon cost of restoration (or 5% if not calculated) - 5% conservative buffer - any leakage
  • Sellable credits = claimable net emissions reduction - 20% risk buffer

The Risk Buffer is a shared reserve designed to safeguard against future risks such as fire or underperformance.

Forest Carbon through the ages

A newspaper article featuring a smiling man with a beard and glasses in a suit with a poppy, leaning on a railing, next to the headline "Three letters that can open a new chapter in your life."

Steve's MBA Dissertation

This story starts with our founders, James and Steve, and a well-timed coincidence. James, then Director of a tree nursery, proposed a question to the Durham Business School MBA programme: could a carbon market for UK woodlands work? Steve picked it up, dug into how a voluntary carbon market might function, and the two soon found themselves exploring the idea in earnest.

Three men unveil a sign for "Forest Carbon" and "Marks & Spencer" in a grassy, hilly landscape.

The Handshake

Their first pitch to generate funding for a pilot woodland carbon project was to Marks & Spencer, and resulted in a purchase order. Equally surprised and buoyed, they shook hands at Paddington Station and decided to give it a proper go. Forest Carbon was born, and they got to work adapting international best practices to UK conditions and building a credible market for woodland carbon from the ground up.

A white sign on a wooden post attached to a gate reads: "This area has been planted with the support of MARKS & SPENCER."

Lacking Assurance

With over 40 woodlands and 800 hectares planted alongside early partners like Marks & Spencer and the Green Insurance Company, Forest Carbon’s work was gaining momentum. But it lacked a formal standard. So we joined forces with others to push for a UK woodland carbon code — something credible, transparent, and backed by government — to give confidence to buyers and legitimacy to the projects.

A diagram showing the "Carbon Advisory Group" surrounded by logos of associated organizations like the Forestry Commission, B&Q, Woodland Trust, and Department for Environment, Food & Rural Affairs.

Building a Market

After two more years of development and pilot projects, the Forestry Commission launched the first version of the Woodland Carbon Code. Forest Carbon had been closely involved throughout, with Steve serving on the advisory board for the next 12 years. The Code gave the market a solid foundation: independent verification, clear rules, and public transparency.

Six men stand in a field of newly planted trees with a sign from The Green Insurance Company and Forest Carbon.

The First of Firsts

Milton of Mathers, funded by the Green Insurance Company, became the first Forest Carbon project to be validated under the Woodland Carbon Code. It also happened to be the Code’s first-ever validation. A milestone for both the project, the standard and Forest Carbon!

A group of people and a dog stand around a small pond on a moorland hill, with the sky reflected in the water.

Recognising Peatlands

With the Woodland Carbon Code up and running, attention turned to another vital, carbon-rich habitat: peatland. Between 2013 and 2015, we worked with Defra and other partners to build the business case for a Peatland Code, contributing through early project pilots and a seat on the Advisory Board.

Map of Dryhope Peatland Restoration Site showing the restoration area and sections drained by artificial means or peat haggs.

Validating Peatland Restoration

Dryhope became the first peatland restoration project to be validated under the Peatland Code. Developed in partnership with Tweed Forum, it was piloted through the process by George, Forest Carbon’s third team member.

Carbon Club logo with white text "CARBON CLUB" next to a stylized leaf icon, and "Powered by Forest Carbon" below, on a dark green background.

The Carbon Club

As interest in UK woodland and peatland projects grew, and terms like “carbon neutrality” started to gain traction, we found ourselves inundated with enquiries from individuals and small businesses. To make their support count, we launched the Carbon Club: a way to pool smaller contributions into something big enough to fund meaningful projects.

Saplings in protective tubes planted in a sunny, grassy field.

A Growing Market

Whether driven by rising climate awareness or looming regulation, interest in the UK voluntary carbon market surged. By this time, Forest Carbon had supported over 180 new UK woodlands, planting 10 million trees across an area the size of Manhattan, plus more in Ireland and internationally. We often covered project costs upfront, without knowing if credits would sell. That year, with a sharp rise in demand, the risk began to pay off.

A smiling man in a dark suit with a medal stands in front of Windsor Castle.

Deserved Recognition

James received an OBE for “Services to Forestry and the Environment in Scotland.” By then, he had spent over 30 years in forestry and woodland carbon, co-founding Confor, contributing to the original carbon calculations for the Woodland Carbon Code, and shaping the early Peatland Code. He served as President of the Royal Scottish Forestry Society, chaired the River Tweed Forum, and in 2016 was made an Honorary Fellow of the Institute of Chartered Foresters.

Also, at the end of 2023, Forest Carbon became an employee-owned business through an employee ownership trust.

A man smiling and holding a framed "Sustainability Awards 2024" certificate and a trophy in front of a matching backdrop.

Funding Nature+

Now a team of eight, we launched the Nature+ sponsorship model to support smaller projects that can’t justify the cost of WCC certification. These sites often struggle to get off the ground, despite strong potential for biodiversity. Nature+ gives them a chance, making it possible to restore even small pockets of unproductive land across the UK. We also won Sustainable Consultancy of the Year at the Sustainability Awards in 2024!

Got a question?

We’re an open book when it comes to how we ensure the quality of our projects. If you can’t find the answer here or in our Knowledge Hub, just ask — we’re always happy to chat and point you in the right direction.

Get in touch