Polar Bears International

5/24/2012 9:21:06 PM

Polar Bears Not Increasing

Scientific American turned to our chief scientist, Dr. Steven C. Amstrup, to clear up confusion about polar bear numbers. The bottom line? Polar bears are not fine. In fact, there's been a sharp decrease in the number of cubs.

Mother and cubs on melting sea ice

Photo copyright Dick & Valerie Beck.

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