Turning sharply colder with increasing clouds
Rises at 7:06 AM with 10:18 of sunlight, then sets at 5:24 PM
Rises at 4:35 PM with 13:59 of moolight, then sets at 6:34 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.