Defusing the methane bomb—we can still make a difference

The Arctic is warming twice as fast as the rest of the planet, causing the carbon-containing permafrost that has been frozen for tens or hundreds of thousands of years to thaw and release methane into the atmosphere, thereby ...

Study finds toxic mercury is accumulating in the Arctic tundra

Vast amounts of toxic mercury are accumulating in the Arctic tundra, threatening the health and well-being of people, wildlife and waterways, according to a UMass Lowell scientist investigating the source of the pollution.

Lightning sparking more boreal forest fires

A new NASA-funded study finds that lightning storms were the main driver of recent massive fire years in Alaska and northern Canada, and that these storms are likely to move farther north with climate warming, potentially ...

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