Cloudy to partly sunny
Rises at 4:40 AM with 18:49 of sunlight, then sets at 11:29 PM
Rises at 1:27 AM with 14:41 of moolight, then sets at 4:08 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.