In today’s Washington Post, Anne-Marie O’Connor reports on the remarkable progress Mexico City has made in clearing its air. In 1992, the UN declared it to be the most polluted in the world – but today the city of nearly 20 million people doesn’t even
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Read the complete post at http://thepumphandle.wordpress.com/2010/04/01/an-air-pollution-success-story/
Posted
Apr 01 2010, 02:36 PM
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The Pump Handle