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Carbonomics: U.S. GHG emissions were about 25% of world emissions in 1990.

Source: US emissions

US emissions, 1990 = 6,200 Tg = 6.2 Gt CO2 eq./yr. Global emissions are from the IPCC 4th Report, Summary for Policy Makers, Figure SPM.3. Global GHG emissions in 1990 = 39.4 Giga tonne CO2 eq./year.

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http://zfacts.com/p/1003.html | 01/18/12 07:27 GMT
Modified: Sun, 25 May 2008 00:32:18 GMT