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flag Report condemns polar geoengineering as costly and risky, urging focus on reducing emissions instead.

flag A recent report criticizes polar geoengineering proposals, like giant underwater sea curtains and refreezing Arctic ice, as unviable, costly, and potentially harmful. flag Researchers found these five widely-discussed methods ineffective, with risks of environmental damage and high costs exceeding $10 billion each. flag Instead, the report emphasizes the importance of reducing carbon emissions to address climate change.

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