Intervals of clouds and sun
Rises at 6:58 AM with 10:13 of sunlight, then sets at 5:11 PM
Rises at 5:21 AM with 10:56 of moolight, then sets at 4:17 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.