USGCRP Home Library Our Changing Planet FY2009   Figure 15: North American Carbon Sources and Sinks.

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Updated 20 August 2008

OUR CHANGING PLANET The U.S. Climate Change Science Program for Fiscal Year 2009 A Report by the Climate Change Science Program and The Subcommittee on Global Change Research A Supplement to the President's Fiscal Year 2009 Budget

Figure 15: North American Carbon Sources and Sinks. North America is currently a net carbon source (1,336 ± 334 MtC yr-1). A net terrestrial sink of 520 ± 260 MtC yr-1 is equivalent to about 30% of fossil fuel emissions in 2003. Credit: CCSP Synthesis and Assessment Product 2.2. Back to Global Carbon Cycle >>

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