As voluntary carbon markets continue to grow, businesses and investors are becoming more cautious about the quality of carbon credits used to support climate commitments. In recent years, several carbon projects have faced criticism over concerns such as: • Weak emissions calculations • Overstated climate benefits • Lack of transparency • Poor long-term monitoring • Questions around whether projects genuinely depend on carbon credit funding These concerns have increased pressure on the market to ensure that carbon credits represent real, measurable, and long-term climate benefits rather than marketing claims. ICVCM’s Core Carbon Principles were introduced to create stronger benchmarks for identifying more credible carbon credits and improving trust within voluntary carbon markets.
The latest assessments show that ICVCM is moving away from broad market approvals and toward a more selective and evidence-focused evaluation process. Projects and methodologies are increasingly being assessed on scientific credibility, transparency, financial dependence on carbon finance, and long-term climate impact. This shift is reshaping how carbon credits are evaluated across renewable energy, nature-based solutions, methane reduction, and carbon removal projects.
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One of the major developments in the latest assessment round involved the Global Carbon Council, a Qatar-based carbon crediting framework established in 2016 by the Gulf Organisation for Research and Development (GORD). GCC certifies climate projects and issues carbon credits linked to emissions reduction and sustainable development activities. Over the years, it has become an increasingly important player within the Middle East’s carbon market ecosystem. ICVCM recognized GCC’s updated framework as eligible to move forward within its process for identifying higher-integrity carbon credits. However, this does not mean all GCC-issued credits are automatically approved or considered high quality. Instead, individual projects must still demonstrate: • Credible emissions calculations • Strong transparency standards • Proper risk management • Long-term climate impact GCC has also introduced stronger safeguards and monitoring requirements within its updated framework, reflecting the broader market shift toward stricter governance and more evidence-based climate claims.
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Alongside GCC’s recognition, Verra also received conditional approval for a renewable energy methodology linked to projects such as: • Solar energy • Wind energy • Geothermal projects • Small-scale hydro • Wave and tidal energy The approval comes with stricter conditions because renewable energy carbon credits have faced growing scrutiny in recent years. One of the biggest concerns is whether some renewable energy projects genuinely need carbon credit funding to move forward. As renewable technologies become cheaper and more widely adopted, critics argue that certain projects may have happened even without carbon finance support. To address these concerns, ICVCM now requires projects using Verra’s methodology to demonstrate that carbon credit revenues play an important role in the project’s financial viability. The Council also clarified that older carbon credits issued under previous versions of the methodology will not automatically qualify under its higher-integrity standards.
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While some organizations moved closer toward CCP recognition, ART TREES faced additional scrutiny over its forest conservation methodologies. ART TREES supports projects designed to protect forests and reduce future deforestation risks, and these projects are often promoted as nature-based climate solutions because forests can store large amounts of carbon while helping prevent future emissions. However, ICVCM stated that some ART TREES methodologies currently do not provide sufficient evidence around future deforestation risks and long-term emissions impact. The organization has therefore been asked to strengthen parts of its methodology before becoming eligible under CCP standards. Nature-based carbon credits continue to face growing scrutiny due to challenges related to predicting future deforestation risks, measuring long-term climate impact, monitoring permanence over time, and establishing reliable emissions baselines. The decision is particularly significant because millions of carbon credits have already been issued under these forest-related projects, and until the required improvements are completed, these credits will remain ineligible for CCP labels.
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Despite stricter reviews in some areas, ICVCM also approved several methodologies considered to demonstrate stronger climate credibility. One such approval involved Isometric’s mangrove restoration methodology. Mangrove restoration projects are receiving increasing attention because mangroves can store carbon for long periods while also supporting biodiversity and coastal ecosystem protection. According to Isometric, projects using the methodology could generate up to 2 million carbon removal credits by 2030. ICVCM also conditionally approved selected methane reduction methodologies linked to coal mine activities under Verra’s framework. These projects aim to reduce methane emissions, which are considered significantly more potent than carbon dioxide in the short term.
For businesses and investors, this means future trust in carbon credits will increasingly depend on:
Transparent methodologies
Clear and openly available project processes, calculations, and verification approaches that show how emissions reductions are measured and validated.
Credible emissions calculations
Scientifically accurate and evidence-backed emissions data that demonstrates genuine climate impact rather than overstated claims.
Strong governance standards
Robust monitoring systems, accountability frameworks, compliance procedures, and risk management practices to ensure projects operate responsibly and consistently.
Long-term measurable climate impact
Climate benefits that can be tracked, verified, and sustained over time rather than delivering only short-term or uncertain emissions reductions.
As higher-integrity carbon credits become more important within climate finance markets, these developments could influence future carbon credit pricing, procurement standards, buyer preferences, and investor confidence across global sustainability markets.
The latest ICVCM decisions highlight how voluntary carbon markets are moving toward stricter accountability, stronger emissions transparency, and more evidence-based climate action. As integrity standards around carbon credits continue to evolve, businesses may face increasing pressure to support climate commitments with credible data, transparent methodologies, and measurable long-term impact. In this evolving landscape, Cognitud supports organizations in building data-driven sustainability and decarbonization strategies aligned with emerging global climate standards and integrity expectations. Through services spanning carbon accounting, ESG reporting, climate risk assessment, emissions measurement, and sustainability advisory, Cognitud helps businesses strengthen climate governance, improve transparency, and build more credible climate action frameworks. By helping organizations navigate increasingly complex sustainability and carbon market expectations, Cognitud supports the transition toward more resilient, scientifically grounded, and future-focused climate strategies.
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Dr. Somnath Hazra
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The voluntary carbon market is a system where companies or individuals buy carbon credits voluntarily to offset their greenhouse gas emissions and support climate or environmental projects.
Mangroves help protect coastlines from erosion and storms, store large amounts of carbon, support marine biodiversity, and provide important breeding grounds for fish and other aquatic species.
Geothermal energy is used for generating electricity, heating buildings, industrial processes, and providing hot water by utilizing heat from beneath the Earth’s surface.
Carbon credits are tradable certificates representing the reduction or removal of one metric tonne of carbon dioxide or equivalent greenhouse gases from the atmosphere.
Net zero carbon emissions means balancing the amount of greenhouse gases emitted with the amount removed or offset, resulting in no overall increase in atmospheric emissions.
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