Skeptics abound despite a near consensus on the reality of global warming. But if the scientists aren't convincing enough just follow the money!
US importers (the money) have a pretty good idea of whether warming is occurring. U.S. imports of window AC units hit a 3-year high in March 2012 at $255 million, or 1.8 million units.

Air conditioners aren't the only imports rising with the summer heat. Even the "poor man's" air-conditioner, the indoor fan, hit a 3-year high in 2012, with $163 million imported in April.

Read more at Panjiva
Editor's Note: CR4 would like to thank Larry Butz, President and CEO of GEA Consulting, for contributing this blog entry.
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