In July, when the worst drought on record triggered wildfires in Spain and Portugal and left water levels in France at their lowest in 30 years, the explanation was global warming.
When a lethal heat wave in Arizona killed more than 20 people in one week, the culprit was global warming.
And when the Indian city of Mumbai received 37 inches of rain in one day - killing 1,000 people and disrupting the lives of 20 million others - the villain was global warming.
As the atmosphere warms, it generates longer droughts, more intense downpours, more frequent heat waves, and more severe storms.
Although Katrina began as a relatively small hurricane that glanced off southern Florida, it was supercharged with extraordinary intensity by the high sea surface temperatures in the Gulf of Mexico.
The consequences are as heartbreaking as they are terrifying.
http://www.iht.com/articles/2005/08/30/opinion/edgelbspan.php
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