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Posted Fri Dec 11 2009: from
USGS:
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Climate projections underestimate CO2 impact http://apocadocs.com/s.pl?1260539304
The climate may be 30-50 percent more sensitive to atmospheric carbon dioxide in the long term than previously thought, according to a recent study published in Nature Geoscience.
Projections over the next hundreds of years of climate conditions, including global temperatures, may need to be adjusted to reflect this higher sensitivity.... These underestimates occurred because the long-term sensitivity of the Earth system was not accurately taken into account. In these earlier periods, Earth had more time to adjust to some of the slower impacts of climate change. For example, as the climate warms and ice sheets melt, Earth will absorb more sunlight and continue to warm in the future since less ice is present to reflect the sun.
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[Read more stories about:
anthropogenic change, carbon emissions, albedo effect, tipping point]
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Thank goodness we're talking about the long term. It won't affect me!
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