Polar Bears on Thin Ice
Polar Bears on Thin Ice
by Lisa Gardiner
Windows to the Universe
University Corporation for Atmospheric Research (UCAR)
© The Regents of the University of Michigan
“Polar bears are one of nature’s ultimate survivors, able to live and thrive in one of the world’s harshest environments, but we are concerned the polar bears’ habitat may literally be melting†said US Secretary of the Interior Dirk Kempthorne, in an announcement that polar bears, one of the largest four-footed carnivores on Earth, may soon be added to the list of threatened species under the US Endangered Species Act.
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