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Jul 25, 2014 11:30 AM ET // Becky Oskin, LiveScience
The Colorado River Basin's underground water supplies are shrinking faster than they're being replenished.
Aug 27, 2013 10:15 AM ET // Denise Chow, LiveScience
Nearly 70 percent of the groundwater stored in parts of the United States' High Plains Aquifer, could be used up within 50 years.
May 9, 2012 05:59 AM ET // Tim Wall
Groundwater could be contaminated by the natural gas extraction process known as hydraulic fracturing, or fracking, after a decade or less.
Mar 7, 2011 09:02 AM ET // Tim Wall
Plants in Florida have fewer stomata now than they did a century ago - reducing the amount of moisture they release into the air.