Cooler; overcast this morning, then intervals of clouds and sunshine this afternoon
Rises at 6:57 AM with 11:23 of sunlight, then sets at 6:20 PM
Rises at 3:46 AM with 13:05 of moolight, then sets at 4:51 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.