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Coral Reefs Threatened By Climate Change, Studied From High Above | Video
"As much as one quarter of ocean species depend on coral reefs for food or shelter," according to NASA. Rising sea levels and temperatures threaten these important ecosystems, which also play an important role economically around the world. http://www.space.com/35159-coral-reefs-threatened-by-climate-change-studied-from-high-above-video.html