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Forest Carbon Credits Face Rising Risks
Coverage from Nature, EurekAlert!, and others
Articles
5
Active Days
41
The Topic
Research and policy debate are exposing weaknesses in forest-based carbon credits, including underestimated wildfire, drought, and insect risks, limited ecological gains from some avoided-deforestation projects, and disputes over additionality rules. In the United States, one study found that current buffer reserves may need to be roughly six times larger to cover projected carbon losses over a century, with risks concentrated in the West. The findings could affect how forest offsets are designed, verified, priced, and used to support conservation.
First Article: 05/20/26
Latest Article: 06/29/26
Summary
- Climate-driven wildfire, drought, and insect outbreaks increase the risk that credited forest carbon will be released.
- A U.S. analysis found existing buffer reserves may need to be about six times larger to cover projected losses over a century.
- Wildfire-related reversal risk rises sharply when climate change is included, with the highest exposure in California and the Intermountain West.
- A global assessment of 133 avoided-deforestation projects found mostly mixed, negligible, or negative ecological effects relative to matched controls.
- Proposals to credit longstanding Indigenous stewardship are creating tension between conservation finance and the additionality requirement.
- Researchers and policy analysts are calling for more climate-informed risk assessment without weakening carbon-market standards.
History
The update sharpens the story around a specific quantitative finding: U.S. forest-offset buffer pools may need to be about six times larger, with wildfire and climate risk concentrated in the West. It also slightly reframes the policy debate by tying these findings more directly to how offsets are designed, verified, priced, and used for conservation.
The story has broadened from a U.S.-focused forest-offset durability problem into a wider critique of nature-based carbon credits, adding evidence that some avoided-deforestation projects may not deliver clear ecological benefits and raising new concerns about additionality standards. The policy debate around Indigenous conservation credits introduces a separate credibility risk beyond wildfire-driven buffer undercounting.
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Timeline: 41 Days
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