Monday, November 25, 2013

Dos super-tufões

One thing is clear, however: The number of severe tornadoes has gone down. That is not a scientific hypothesis, but a scientific conclusion based on observation. Regardless of the limitations of climate theory, we can take some comfort in that fact.

Richard A. Muller, a professor of physics at the University of California, Berkeley, is a co-founder of Berkeley Earth, a nonprofit research organization focused on climate change.

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