10 of TreeHugger's Most Powerful--and Potentially Depressing--Slideshows

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polar bear global warming photo
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7 Terrifying Global Warming Photos Feeling a little complacent about the idea of global warming? These seven photos--some genuine, some Photoshopped--will remind you of the very real dangers caused by climate change, from a polar bear hanging on desperately to a tiny slice of ice to a massive dust cloud threatening a South African town. Still not concerned? Compare the size of an Argentinian glacier in 1928 to the same spot in 2004, and see just what difference a few decades can make.

Photo via Ebaum's World