Sun followed by clouds
Rises at 7:29 AM with 10:15 of sunlight, then sets at 5:44 PM
Rises at 3:55 PM with 12:47 of moolight, then sets at 4:42 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.