Global Warming, Global Cooling

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Two interesting items on the climate change debate. Nigel Calder, former editor of New Scientist, describes his own skepticism about the current “consensus”. He suggests that the solar hypothesis, that warming and cooling is related most strongly to solar activity levels, explains better some of what is being observed. He also describes a fascinating recent experiment, documented in a new book by himself and the scientist, that connects cosmic rays to cloud formation. [Thanks L&P]

Frederic Sautet at The Austrian Economists Blog has posted an article from a 1975 Newsweek about global cooling that gives one a strong sense of deja vu:

There are ominous signs that the earth’s weather patterns have begun to change dramatically and that these changes may portend a drastic decline in food production-with serious political implications for just about every nation on earth.

…”A major climatic change would force economic and social adjustments on a worldwide scale,” warns a recent report by the National Academy of Sciences, “because the global patterns of food production and population that have evolved are implicitly dependent on the climate of the present century.”

6:02 pm on February 14, 2007