Rises at 5:15 AM with 15:25 of sunlight, then sets at 8:40 PM
Rises at 7:12 PM with 9:52 of moolight, then sets at 5:04 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.