Rises at 6:46 AM with 10:31 of sunlight, then sets at 5:17 PM
Rises at 4:41 PM with 13:41 of moolight, then sets at 6:22 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.