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On May 14, 2008, Interior Secretary Dirk Kempthorne announced the listing of polar bears as threatened under the Endangered Species Act (ESA). The controversial decision highlights the intersection of two significant issues currently before Congress - climate change and species protection. Under the ESA, a listing decision must rest solely on the best available scientific information concerning the species. Habitat loss has been a major reason for many decisions to add species to the list - in this case, loss of Arctic sea ice. The listing itself was praised by some environmentalists, who nonetheless deplored interim protective regulations for the polar bear as being too weak. Other parties, who opposed the listing itself, argued that the science supporting listing was weak, but felt that the regulations mitigated some of the economic impacts of the listing.
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