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Showing posts from January 27, 2008

Human Activity Blamed For Water Woes In The West

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Human Activity Blamed For Water Woes In The West

Excerpt:


By ERICA WERNER, Associated Press Writer Thu Jan 31, 2:00 PM ET

WASHINGTON - Human activity such as driving and powering air conditioners
is responsible for up to 60 percent of changes contributing to dwindling water
supplies in the arid and growing West, a new study finds.

Those changes are likely to accelerate, says the study published Thursday
in Science magazine, portending "a coming crisis in water supply for the western
United States."

The study is likely to add to urgent calls for action already coming from
Western states competing for the precious resource to irrigate farms and quench
the thirst of growing populations. Devastating wildfires, avalanches and drought
have also underscored the need.
Researchers led by climate expert Tim P.
Barnett at the Scripps Institution of Oceanography at the University of
California, San Diego, studied climate changes in the West between 1950-1999.
They noted that winter precipitation falls …