Rises at 6:24 AM with 12:20 of sunlight, then sets at 6:44 PM
Rises at 2:00 AM with 14:17 of moolight, then sets at 4:17 PM
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.