Sun giving way to increasing clouds
Clear and chilly
Rises at 6:58 AM with 9:55 of sunlight, then sets at 4:53 PM
Rises at 8:01 PM with 14:13 of moolight, then sets at 10:14 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.