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science2017.globalchange.gov | ||
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nca2018.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 second of two volumes of the Fourth National Climate Assessment, mandated by the Global Change Research Act of 1990. | |
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nca2018.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 second of two volumes of the Fourth National Climate Assessment, mandated by the Global Change Research Act of 1990. | |
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notrickszone.com
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arctic-news.blogspot.com
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| | Methane eruptions threaten |