Nature-based Carbon > Other NbS > Seaweed CDR potential falls sharply when including iron limits, study says

Seaweed CDR potential falls sharply when including iron limits, study says

Published 23:20 on May 29, 2026 / Last updated at 23:20 on May 29, 2026 / / Nature-based Carbon (Other NbS), Voluntary (VCM Developments)

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Seaweed-based carbon removal (CDR) could be far less effective than some global models suggest, as iron limitation and competition with phytoplankton reduce both cultivation potential and net ocean carbon uptake, according to a new modelling study.
Seaweed-based carbon removal (CDR) could be far less effective than some global models suggest, as iron limitation and competition with phytoplankton reduce both cultivation potential and net ocean carbon uptake, according to a new modelling study.


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