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  Hurricanes, tornadoes, droughts, floods: A preview of life under global warming?

As Hurricane Irene, first major hurricane of the season, threatens the Eastern seaboard, Need to Know investigates the links between extreme weather and climate change.

From a friend in Pakistan

I received this e-mail this morning from a very close friend who lives in a remote valley high in the Himalayas in Northern Pakistan. We visited his valley in the summer of 2005. (You can see photos of what it looked like then, here.) Dear Cam and Lauren, There is a big flooding in Kalasha […]

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