Rises at 6:46 AM with 13:51 of sunlight, then sets at 8:37 PM
Rises at --:-- with of moolight, then sets at 8:59 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.