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resourcewatch.org | ||
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science2017.globalchange.gov
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| | | | | This report is an authoritative assessment of the science of climate change, with a focus on the United States. It represents the first of two volumes of the Fourth National Climate Assessment, mandated by the Global Change Research Act of 1990. | |
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www.epa.gov
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| | | | | Coral reefs are among the most biologically diverse and valuable ecosystems on Earth. This web site describes the importance of coral reefs, threats to them, and ongoing efforts to protect them. | |
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www.livescience.com
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| | | | | Coral reefs are large underwater structures composed of the skeletons of coral, which are marine invertebrate animals. Corals are found all over the world's oceans. | |
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www.livescience.com
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| | | Severe bleaching in Australia's Great Barrier Reef, described by experts as "the worst mass bleaching event in its history," ring alarm bells for the corals' future. | ||
