New York state is losing two of its congressional seats due to the results of the 2010 census, and the writer of this blog post attributes the change in part to the prevalence of air conditioning. After air conditioning became more widely available in the 1950s, states such as Florida, Texas and Georgia became more comfortable places to live, writes Clyde Haberman. Without air conditioning, "you couldn't have something like Las Vegas or the Valley of the Sun, with Phoenix at the heart and all the retirement communities in the surrounding area," says James Wiley, a Hofstra University geography professor.

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