Ocean carbon removal is picking up, just as Microsoft pulls out as a major funder of carbon removal projects.
Articles on Marine carbon dioxide removal
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Scientists are taking to the seas with new equipment to measure how much carbon the oceans are storing.
Some methods being tried to counter climate change shift the ocean’s biology or chemistry. Others would deflect solar radiation. All have consequences for marine life.
Efforts to reduce emissions and decarbonise industry must be combined with new technology that removes carbon dioxide from the atmosphere. Australia can build an industry around this service.
Taking more carbon dioxide out of the atmosphere by stashing it in the ocean seems like a good idea, but it could backfire if tiny marine animals called zooplankton get extra hungry.
New Zealand’s new government has vowed to explore ‘blue carbon’ options for removing atmospheric CO₂ to meet net zero goals. But first we need a national strategy for this developing field of science.
Can we engineer oceans to store more carbon dioxide in the fight against climate change? A new bill before parliament seeks to regulate such activity, but holds back on research incentives.
Nitrogen-fixing bacteria help tropical phytoplankton absorb carbon dioxide, creating a biological pump in the oceans.
Adding industrial chemicals and natural alkaline minerals could slow climate change, but like other geoengineering proposals, it comes with many complex technical and legal challenges.
Top contributors
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Professor of Research in Environmental Policy, American University School of International Service
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ARC DECRA Fellow/Senior Lecturer, IMAS, University of Tasmania
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Research scientist, CSIRO
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Researcher in Climate Intervention Law and Governance, University of Tasmania
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Postdoctoral Researcher in Biological Oceanography, University of Liverpool
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Professor, University of Tasmania
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Climate Prediction Group Leader, CSIRO
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Assistant Professor of Earth and Atmospheric Sciences, Cornell University
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Professor of Environmental Law, University of Tasmania
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Associate Professor of Marine Sciences, University of California, Santa Barbara
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Cassar Lab, Duke University
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Post-Doctoral Scholar in Marine Ecology, Cornell University; UMass Dartmouth
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Senior Research Fellow in Marine Ecology, University of Otago
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Senior Research Scientist, University of California, Santa Cruz
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Research Lead, Carbon Dioxide Removal, CSIRO