First ocean alkalinity credits mark progress but highlight major MRV challenges -analysis

Published 23:30 on November 30, 2025 / Last updated at 23:30 on November 30, 2025 / Americas (LATAM & Caribbean, US & Canada), Asia Pacific (Asia, Pacific), EMEA (Africa, Europe, Middle East), Nature-based Carbon (Other NbS), Voluntary (VCM Developments)

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An ocean alkalinity project’s first credit issuances have been hailed as an important step for marine carbon removal (mCDR), while they have also highlighted significant gaps in scientific evidence, environmental monitoring, and data transparency, according to new analysis
An ocean alkalinity project’s first credit issuances have been hailed as an important step for marine carbon removal (mCDR), while they have also highlighted significant gaps in scientific evidence, environmental monitoring, and data transparency, according to new analysis


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