Polar Bear.jpg
A polar bear swims recently in open water off the coast of Alaska. The shrinking sea ice increases the pressure on polar bears, who usually hunt on the ice. (By Geoff York -- World Wildlife Fund)
from http://www.washingtonpost.com/wp-dyn/content/article/2008/08/30/AR2008083001538.html?hpid=sec-nation
from http://www.washingtonpost.com/wp-dyn/content/article/2008/08/30/AR2008083001538.html?hpid=sec-nation