Rises at 3:47 AM with 18:28 of sunlight, then sets at 10:15 PM
Rises at 1:22 AM with 11:39 of moolight, then sets at 1:01 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.