Sun yielding to clouds
Rises at 7:15 AM with 11:38 of sunlight, then sets at 6:53 PM
Rises at 4:31 PM with 11:23 of moolight, then sets at 3:54 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.