Intervals of clouds and sun
Rises at 7:11 AM with 12:43 of sunlight, then sets at 7:54 PM
Rises at 3:30 PM with 13:52 of moolight, then sets at 5:22 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.