Wednesday, February 24, 2010

Schmitt on AGW

Harrison Schmitt is a geologist and a former Senator from New Mexico. He's also the last man to have stepped on to the surface of the moon1 (until the next one). And he has a great article this morning about the earth's climate and the AGW movement.

Global surface and near surface temperatures have risen about half a degree Centigrade (about 0.9 degree Fahrenheit) each 100 years since the minimum temperatures of the Little Ice Age in 1660. Multi-decade intervals of more rapid warming and cooling have occurred during this current, centuries-long general warming trend as they have for over 10,000 years since the last major ice age.

Indeed, by the end of the 17th century, glaciers had advanced over valley farmlands cultivated as those same glaciers receded during the preceding Medieval Warm Period (about 800-1300). Since the last major ice age, decades long periods of warming and cooling have been superposed on longer cycles, the longest repeating about every 1500 years.

All of this has occurred without any significant human activity. Cooling between 1935 and 1975 and since 2000, and warming between 1975 and 1995 have been the most recent such variations and correlate strongly with variations in solar activity.

In contrast to these facts, climate change assumptions and computer modeling, rather than real-world observations, underpin the government’s efforts to restrict American liberties and confiscate trillions of dollars of American income in the name of “doing something” about climate change. The scientific rationale behind this proposed massive intrusion into American life requires more than a “consensus” of like-minded climate analysts and bureaucrats. It needs to be right.

Recent disclosures and admissions of scientific misconduct by the United Nations and advocates of the human-caused global warming hypothesis shows the fraudulent foundation of this much-ballyhooed but non-existent scientific consensus about climate.
Go ahead and read the whole thing...

1 - None of that, of course, should cause anyone to listen to what he has to say on this topic. People should listen to what he has to say because he's right...

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