Snow is white, which makes it reflect about three quarters of the solar energy hitting it when covering the tundra: it ...

Growing trees in the Arctic could cause some of that carbon ... This can happen both directly, by herbivores keeping tundra landscapes open, and indirectly, through the effects of herbivores ...

From Alaska to Siberia, the Arctic is changing so rapidly that there is no "normal" there now, scientists warn. The consequences reach across the globe. The Arctic tundra now releases more carbon ...

Growing trees in the Arctic could cause some of that carbon ... Reindeer herding in the tundra of northern Russia. Ksenya_89 / shutterstock Last, but by no means least, beyond its effects on ...

The consequences reach across the globe. The Arctic tundra now releases more carbon than it naturally draws down from the sky, as wildfires burn down its trees and permafrost thaw releases potent ...

The Arctic tundra now releases more carbon than it naturally draws down from the sky, as wildfires burn down its trees and permafrost thaw releases potent gases from its soil. Once-brown regions ...

Growing trees in the Arctic could cause some of that carbon to be released ... This can happen both directly, by herbivores keeping tundra landscapes open, and indirectly, through the effects of ...

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