The land they inhabit is warming faster than most of the planet. This is a surprisingly diverse region, where birds, mammals, and plants eke out a delicate existence in frigid temperatures. As hard as ...

Deep snows prevent the release of carbon dioxide from boreal forests, but when the snows are shallower it can escape, making global heating almost impossible to stop. However, reindeer and their wild ...

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For the past three months the chatter of the Arctic Tern colony has served as the soundtrack of the summer breeding season.