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Polar Bear Week 2012

Protecting Polar Bears for Future Generations

John Gunter | Posted 01.18.2013 | Green
John Gunter

Observable even during my 10 short years working in the field, the polar bears I see today aren't as big as they used to be. Their unique environment is changing.

Polar Bear Denning in a Changing World

Dr. Tom Smith | Posted 01.17.2013 | Green
Dr. Tom Smith

We see the effects of a warming world manifest in many aspects of polar bears' life cycle from reduced numbers to shrinking body sizes, from smaller litters of cubs to altered movement patterns. Like a vet studying a sick animal, we see many problems in the world of polar bears today.

A Window Into the Polar Bear Migration

Krista Wright | Posted 01.16.2013 | Green
Krista Wright

The live Polar Bear Cam provides a window onto this world, allowing you to become inspired by the beauty of these majestic animals, to witness the effects of global warming first-hand -- and to become inspired to take action.

No Ice, No Ice Bear

Dr. Andrew Derocher | Posted 01.15.2013 | Green
Dr. Andrew Derocher

To make a complex story simple, polar bears are threatened by habitat loss. We may hold onto polar bears as a species to the end of the century, but this is predicated on many hopeful elements.

Sea Ice and Climate Change

Cecilia Bitz | Posted 01.14.2013 | Green
Cecilia Bitz

There is no contradiction for global warming to cause dramatic sea ice loss in the Arctic and a slight expansion in the Antarctic. There is no doubt in my mind that the implications for polar bears habitat loss are serious and sobering.

Sea Ice, Polar Bears, and Extreme Weather

Dr. Steven C. Amstrup | Posted 01.13.2013 | Green
Dr. Steven C. Amstrup

This summer's record low sea ice extent has prompted speculation about how polar bears will be affected. Because polar bears depend on sea ice to catch seals, less sea ice can only be bad for polar bears. But it's not just this year's record low that is cause for concern.

Introducing Polar Bear Week

Charles Annenberg Weingarten | Posted 01.12.2013 | Green
Charles Annenberg Weingarten

bserving a polar bear in the wild is like watching a grand mythology unfold before your eyes: the backdrop of the Canadian arctic, the vast stretches of barren tundra and sea ice, the frigid, crisp winds howling, and this incredibly wise and majestic creature surviving in a frozen and unforgiving land.