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terça-feira, 26 de abril de 2011

@EcoInteractive: Climatologists & New Climates

EcoInteractive Forecast Completely New Climates ~ ~ Video

The eastern United States has a mild, humid, temperate climate, while the western United States has a dry climate, right?

Well, according to climate models, global warming could change our current world climate zones, which would affect where crops are grown and even drive some plant and animal species to extinction, all in the next 100 years.

Al Gore brought the issue to the big screen. Global warming -- what impact could it really have on our world? Geographer Jack Williams says, based on his new analyses of climate forecasting models, we're headed for major change -- fast.

"One of the things that we can definitely say that the more carbon dioxide we put into the atmosphere, the models very clearly show more of a warming that takes place in the U.S. and worldwide," said Williams, of the University of Wisconsin.

How much warming? With levels of CO2 continuing to rise, Williams suggests areas of the world that currently have a tropical climate will be much warmer and drive vegetation and animal life north. Williams believes these changes would lead to the spreading of Malaria northward, more catastrophic natural disasters and overall greater human health risks.