Mostly sunny and very cold
Very cold with increasing cloudiness
Rises at 6:43 AM with 11:17 of sunlight, then sets at 6:00 PM
Rises at 1:42 PM with 14:20 of moolight, then sets at 4:02 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.