What carbon offset development and management actually involves

Carbon offset development involves creating projects that reduce or remove greenhouse gas emissions, such as renewable energy installations, forest protection schemes, methane capture, or soil carbon sequestration, and translating those emissions reductions into carbon credits that can be sold to companies seeking to compensate for residual emissions. Carbon offset management involves selecting, purchasing, retiring and reporting on offsets as part of a corporate climate strategy. For corporate buyers, the critical work is ensuring that the credits they purchase represent genuine, permanent, additional and verified emissions reductions.

Why it's harder in practice than it looks

Not all carbon credits are equal and quality markers are not obvious

The voluntary carbon market contains credits ranging from high-quality engineered removals to projects with serious questions around additionality, permanence and co-benefits. Standard logos (Verra VCS, Gold Standard) are a starting point but do not guarantee quality, buyers need to look at the specific project design, monitoring approach, and vintage.

Offset claims are under increasing regulatory and media scrutiny

High-profile investigations have exposed significant integrity issues in widely used offset project types, particularly avoided deforestation (REDD+) credits. Companies relying heavily on nature-based offsets for net zero claims are facing investor and regulatory challenges that can damage credibility even if their individual credits appeared credible at purchase.

Additionality is difficult to verify independently

Additionality, the requirement that emissions reductions would not have occurred without the offset project, is the hardest quality criterion to verify. Many methodologies use conservative but still contested approaches, and buyers cannot easily assess additionality without examining project documentation in detail.

Offset strategy must align with corporate net zero frameworks

SBTi guidance restricts how offsets can be used in corporate net zero claims. Companies that have purchased significant volumes of offsets as part of a net zero commitment and later adopted an SBTi target may find those offsets do not count toward their validated target, a significant strategic and reputational problem.

What good looks like

A credible offset strategy treats offsets as a complement to, not a substitute for, emissions reduction. It prioritises high-quality carbon removals over avoidance credits for net zero claims, applies a documented due diligence process to credit selection, maintains a retirement registry for transparency, and aligns the offset portfolio with SBTi or other recognised frameworks. Companies that develop their own offset projects obtain additional benefits including supply security and alignment with core business activities.

When to bring in external support

Carbon market expertise is specialist territory. Whether developing a new project, building a corporate offset portfolio, or reviewing existing credits against updated quality standards, external specialists provide access to market knowledge and due diligence capability that most in-house teams lack. Leafr's network includes carbon market specialists with experience across voluntary and compliance markets, credit quality assessment, and corporate offset strategy.

Frequently asked questions

What is a carbon offset and how does it work?

A carbon offset is a reduction or removal of greenhouse gas emissions from one source, used to compensate for emissions occurring elsewhere. One carbon credit typically represents one tonne of CO2 equivalent reduced or removed. Credits are generated by verified projects and sold to companies or individuals seeking to offset their residual emissions. The credit is then retired to prevent double counting.

What standards govern carbon offset quality?

The main voluntary market standards are Verra's Verified Carbon Standard (VCS), the Gold Standard, and the American Carbon Registry. Each has different methodologies, co-benefit requirements and verification approaches. The Integrity Council for the Voluntary Carbon Market (ICVCM) has published Core Carbon Principles designed to establish a baseline quality bar across all standards, compliance with these principles is increasingly expected by institutional buyers.

Can offsets count toward a company's net zero target?

Under SBTi's Corporate Net Zero Standard, carbon credits from beyond the value chain cannot be used to meet a company's near-term or long-term emissions reduction targets. They can be used as beyond-value-chain mitigation, contributing to global net zero goals, but are separate from the company's own target. Companies should clearly distinguish between claims about their own emissions reduction and claims about their contribution to global mitigation.

What is the difference between avoidance credits and removal credits?

Avoidance credits represent emissions that did not happen, for example, a forest that was not cleared. Removal credits represent CO2 that was physically extracted from the atmosphere and stored. Removal credits are considered higher quality for net zero claims because they provide a genuine negative emission rather than preventing a positive one. Most voluntary carbon market supply consists of avoidance credits; removals are less plentiful and typically more expensive.

How should companies disclose their use of carbon offsets?

Best practice is to disclose the volume, type, vintage, standard and project type of all offsets purchased and retired, and to clearly distinguish offset use from in-scope emissions reductions. Claiming to be carbon neutral or net zero primarily through offsets, without substantive reductions, is increasingly challenged by regulators and may violate consumer protection laws in the UK and EU.