Polar bears: An uncertain future
The great white bears of the frozen north may face a difficult future. Each summer, the sea ice on which they rely to hunt seals is getting thinner and smaller in extent - threatening to upset their way of life.
Here, American photographer and conservationist Jenny E Ross - and Andrew Derocher, professor of biological sciences at the University of Alberta - give their opinions on how climate change is affecting the lives of polar bears, and potentially putting their future at risk.
Warning: This slideshow contains graphic images
Continue reading the main storyAll images subject to copyright. Photography by Jenny E Ross. Music by KPM Music.
Slideshow production by Paul Kerley. Publication date 28 March 2013.
Related:
Life on thin ice - photographing climate change
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