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Even small reductions in warming matter to the Arctic

A difference of half a degree Celsius would make a huge difference in the future of the Arctic. A carbon sequestration project in Iceland offers hope of keeping warming under control.

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Sea change

The Arctic Ocean is beginning to look and act more like the Atlantic. It’s a shift that threatens to upend an entire food web built on frigid waters.

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High Stakes in the High North

A remote island that harbored the word’s last mammoths is becoming a holdout for Arctic wildlife once again.