Global Warming? Or Faulty Thermometers?

Anthony Watts is a former meteorologist who now runs his own weather data service in California. Among his current projects is a comprehensive survey of the physical installation of all the temperature measuring stations throughout the U.S. These measuring stations are supposed to comply with strict standards of placement, proximity, construction, etc.

If what he has discovered thus far is any indication, “global warming” rests on a mighty shaky foundation. Many of these stations display what Watts calls “microsite biases”–placement near things like parking lots, air conditioning exhausts, rooftops, etc., that would artificially inflate the readings.

Watts has prepared a thorough summary of the problems he’s seen in this presentation.

Watts’ work was featured in a recent Arizona Republic article about global warming skeptics.

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