Cloudy Days on the Global Warming Front :: Power Line

Advocates of anthropogenic global warming want you to believe that the science is settled and there is nothing left to debate. But this is the opposite of the truth; in fact, climate science is in its infancy and virtually every proposition relating to it is controversial.

A case in point: the computer programs that tell us that human activity will lead to catastrophic warming assume that warmer temperatures will give rise to more high-altitude clouds, which in turn will trap heat in the earth's atmosphere and create a positive feedback loop. Recent research suggests, however, that increasing temperatures will have the opposite effect, reducing the incidence of high-altitude clouds and thereby creating a safety valve rather than reinforcing the original warming. The research was published in Geophysical Research Letters by Roy W. Spencer, William D. Braswell, John R. Christy and Justin Hnilo:

Cloudy Days on the Global Warming Front ...

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