SCIENCE / ENVIRONMENT | September 8, 2007
Warming Is Seen as Wiping Out Most Polar Bears
By JOHN M. BRODER and ANDREW C. REVKIN
Shrinking polar ice caps will cause at least two-thirds of the world’s polar bears
to disappear by 2050, government scientists reported on Friday.

http://www.nytimes.com/2007/09/08/science/earth/08polar.html?ex=1189915200&en=e7137da5dc23a02b&ei=5070&emc=eta1