An undated photo provided by the University of Tennessee shows Dr. William "Bill" Brown, dean of UT AgResearch. The university wants to allow hydraulic fracturing drilling for natural g

 

              An undated photo provided by the University of Tennessee shows Dr. William "Bill" Brown, dean of UT AgResearch. The university wants to allow hydraulic fracturing drilling for natural g
An undated photo provided by the University of Tennessee shows Dr. William "Bill" Brown, dean of UT AgResearch. The university wants to allow hydraulic fracturing drilling for natural gas on state-owned property to fund research into the environmental impacts of such drilling. Brown says the university has the facilities and faculty to scientifically investigate the questions surrounding natural gas drilling. (AP Photo/University of Tennessee)