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Global Carbon Project says 2007 CO2 emission higher than worst-case IPCC estimate

September 26, 2008

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The Global Carbon Project (GPC) released its Climate Trends 2007 update, and there’s some sobering news within the latest update: The concentration of carbon dioxide (CO2) in the atmosphere was 383 parts per million (ppm) in 2007, 37% over pre-industrial revolution concentrations (280 ppm), higher than any concentration over the last 650,000 years, and “probably” […]