Myth: Climate sensitivity is too low

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Myths

Since the effect of CO2 on temperature is logarithmic, we have already seen most of the warming that can possibly happen and any future increase will be pretty negligible. There is nothing to worry about.

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Doubling the amount of CO2 in the atmosphere will increase temperatures far less than the IPCC say it will.

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Climate sensitivity is too uncertain, we cannot know what changes might happen.

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See also

No one doubts that there are uncertainties in both models and observations. Future changes could be better than we expect, but equally they could be worse than we expect:

Arctic Ice Retreating More Quickly Than Computer Models Project UCAR, 30 April 2007