Human activity has pushed atmospheric concentrations of carbon dioxide to more than 30 percent above pre-industrial levels. ... Varying Carbon Emissions between nations: The last 100 years' cumulative emissions are a meaningful indicator of relative contributions of different countries. Developed countries, home to 20 percent of the world's people, are responsible for about 63 percent of net carbon emissions from fossil fuel burning and land use changes since 1900. ... Most current carbon emissions originate from 20 or so countries that are either rich, highly populated, or both, w...

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According to Meyer son the Kyoto Protocol is a pact for countries to reduce their yearly net carbon emissions for the years of 2008-12. ... The people behind the Kyoto Protocol want to decrease as many greenhouse gases as possible, but Carbon Dioxide is their main focus. Carbon Dioxide and other gases are called "greenhouse gases" because of their ability to capture, in the earth's atmosphere, infrared radiation from the surface of the earth (Breidenich 315). ...

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• Grade Level: Undergraduate