Prosecutors in Brazil have filed a lawsuit to annul a $180 million carbon offset agreement signed by the state of Para, citing legal and ethical violations in the high-profile rainforest conservation initiative backed by major global firms.

Brazilian federal prosecutors are seeking to cancel a $180 million carbon offset agreement designed to protect the Amazon rainforest, arguing the deal violates national laws and overlooks the rights of local communities. The lawsuit, filed Tuesday, challenges a landmark contract signed last year between the state of Para and the LEAF Coalition - an initiative supported by major corporations and governments.

The complaint represents a significant setback for both the Para state government, which is set to host the COP30 climate summit, and the global carbon credit market, which has struggled with credibility issues over transparency, fraud, and community engagement.

In their filing, prosecutors claim Para’s government failed to properly consult Indigenous and traditional communities who would be affected by the project. They also argue that Brazilian law does not permit the pre-sale of carbon credits - particularly those linked to future conservation efforts rather than measurable past reductions.

Prosecutors allege the state rushed to greenlight the project ahead of COP30, intensifying pressure on vulnerable communities.

The contract in question involves the LEAF Coalition, a forest conservation initiative co-founded in 2021 by Amazon.com Inc., along with other private companies and governments. The project aimed to sell up to 12 million carbon credits at $15 each, tied to the preservation of the Amazon’s carbon-rich trees.

Furthermore, the agreement was among the first jurisdictional carbon credit deals - targeting emissions reductions at a state-wide level instead of through fragmented private projects. The model was intended to streamline oversight and restore market confidence, but critics have warned it may replicate existing issues on a larger scale.

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