100-200 ppm CO2 changes associated with major climate transitions
The historical record suggests that moderate changes in carbon dioxide levels of 100 to 200 parts per million were associated with major climate transitions and large changes in temperature.
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Anthropogenic Climate Change »Anthropogenic Climate Change
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Is the Earth's climate changing? »Is the Earth's climate changing?
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Sensitivity of Earth's climate to atmospheric CO2? »Sensitivity of Earth's climate to atmospheric CO2?
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Climate highly sensitive to variations in atmospheric CO2 »Climate highly sensitive to variations in atmospheric CO2
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100-200 ppm CO2 changes associated with major climate transitions
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Climate sensitivity is 2-4.4*C to a doubling of CO2 »Climate sensitivity is 2-4.4*C to a doubling of CO2
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Data is correlational not causational »Data is correlational not causational
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20 million year record of CO2 levels preserved in foraminifera »20 million year record of CO2 levels preserved in foraminifera
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