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24th February 2026

Microsoft has entered into a major multi-year agreement to purchase up to 1.8 million tonnes of carbon removal credits from West Africa-based Rainforest Builder, aimed at restoring degraded rainforest landscapes in Sierra Leone. The 15-year deal will support the planting of over 10 million trees across 15,000 hectares through Rainforest Builder’s Project Buffalo, helping to sequester carbon while regenerating habitat for threatened wildlife and bolstering local ecosystems.

Beyond environmental gains, the project is expected to bring significant social benefits, including direct employment for more than 1,200 people and community development initiatives such as improved infrastructure and agricultural support. The agreement forms part of Microsoft’s broader climate strategy to become carbon negative by 2030 and to remove all its historical emissions by 2050, reinforcing its position as one of the world’s largest corporate purchasers of carbon removal credits.

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ESG Research Foundation