LAS VEGAS, NV - AUGUST 13: General Manager of the Southern Nevada Water Authority Patricia Mulroy (L) and meteorologist Maria Larosa participate in a panel discussion during the National Clean Energy ... more 
LAS VEGAS, NV - AUGUST 13: General Manager of the Southern Nevada Water Authority Patricia Mulroy (L) and meteorologist Maria Larosa participate in a panel discussion during the National Clean Energy Summit 6.0 at the Mandalay Bay Convention Center on August 13, 2013 in Las Vegas, Nevada. (Photo by Isaac Brekken/Getty Images for National Clean Energy Summit 6.0) less 
1 / 11
Getty Images | Photo By Isaac Brekken / Getty Images for National Clean
Tue, Aug 13, 2013 6:59 PM EDT