Evansville Vanderburgh Public Library
Polar bear + Effect of pollution on
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Polar bear + Effect of pollution on
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Polar bear + Effect of pollution on
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Polar bear + Effect of pollution on
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Effect of pollution on
Polar bear
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Last chance:, preserving life on earth, Larry J. Schweiger
Examining threats and protections for the polar bear, hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Tenth Congress, second session, January 30, 2008
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Polar bear + Effect of pollution on
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Effect of pollution on
Polar bear
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