Rises at 4:20 AM with 17:35 of sunlight, then sets at 9:55 PM
Rises at 12:13 AM with 16:06 of moolight, then sets at 4:19 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.