Colder with increasing cloudiness
Rises at 7:41 AM with 8:30 of sunlight, then sets at 4:11 PM
Rises at 3:16 PM with 15:15 of moolight, then sets at 6:31 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.