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An Inconvenient Truth

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Author Topic: An Inconvenient Truth  (Read 7435 times)
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Bee Cha
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« Reply #120 on: April 01, 2007, 08:33:43 pm »



Changes in carbon dioxide during the Phanerozoic (the last 542 million years). The recent period is located on the left-hand side of the plot, and shows how high levels of CO2 have been sequestered in the form of hydrocarbons (e.g., coal, oil, natural gas) now being re-released in the combustion of fossil fuels.
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