Mostly cloudy and cooler
Rises at 6:33 AM with 13:56 of sunlight, then sets at 8:29 PM
Rises at 12:33 PM with 14:20 of moolight, then sets at 2:53 AM
Aug 30, 2012; 5:00 AM ET If you're longing to ski the Alps or swim in the Great Barrier Reef, you may be running out of time. A changing climate may beat you to the punch line. Valerie Smock has more.