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Primary view of The North American Carbon Budget and Implications for the Global Carbon Cycle
U.S. Climate Change Science Program and the Subcommittee on Global Change Research.
November 2007
Primary view of Trends in Emissions of Ozone-Depleting Substances, Ozone Layer Recovery, and Implications for Ultraviolet Radiation Exposure
US Climate Change Science Program and the Subcommittee on Global Change Research.
November 2008
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