US Still Responsible For Most CO2 Emissions

From New Scientist:

Europeans import nearly twice as much carbon dioxide per head as US citizens – but the US still holds the dubious distinction of being the world's largest emitter.

The Carnegie Institution for Science in Stanford, California, reports that in 2004 23 per cent of global CO2 emissions – some 6.2 gigatonnes – went in making products that were traded internationally. Most of these products were exported from China and other relatively poor countries to consumers in richer countries. Some countries, such as Switzerland, "outsourced" over half of their carbon dioxide emissions in this way because they have a high import-to-export ratio of such energy-intensive goods as consumer electronics, motor vehicles and machinery.

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