Observed Emissions Rates
See also: Greenhouse gas#Regional and national attribution of emissions and economics of global warming#Trends and projectionsBetween the 1990s and 2000s, the growth rate in CO2 emissions from fossil fuel burning and industrial processes increased (McMullen and Jabbour, 2009, p. 8). The growth rate from 1990-1999 averaged 1.1% per year.
Between the years 2000-2009, growth in CO2 emissions from fossil fuel burning was, on average, 3% per year, which exceeds the growth estimated by 35 of the 40 SRES scenarios (34 if the trend is computed with end points instead of a linear fit). Human-caused greenhouse gas emissions set a record in 2010, a 6% jump on 2009 emissions, exceeding even the "worst case" scenario cited in the IPCC Fourth Assessment Report.
Read more about this topic: Special Report On Emissions Scenarios
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