Sea-green project may not be iron-clad

Thousands of tonnes of iron will be dumped into the Southern Ocean in the biggest trial of a technique that some say could cut global warming. Others say that there could be unwelcome side effects such as a deep water reduction of oxygen, increase in acidity and an increase in nitrogen dioxide, a more harmful greenhouse gas than carbon dioxide.

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Keywords: ANTARCTICA, SOUTHERN OCEAN, CLIMATE CHANGE

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Related Topics: Antarctic Ecosystems

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