10 febbraio 2012 14:52

**Nature Singles, 1st prize **

Jenny E. Ross, USA

Novaya Zemlya, Russia, 30 June

A male polar bear climbs precariously on the face of a cliff above the ocean at Ostrova Oranskie in northern Novaya Zemlya, attempting to feed on seabird eggs. This bear was marooned on land and unable to feed on seals—its normal prey—because sea ice had melted throughout the region and receded far to the north as a result of climate change.

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