Clouds giving way to some sun and cold
Partly cloudy and very cold
Rises at 7:15 AM with 9:45 of sunlight, then sets at 5:00 PM
Rises at 2:09 AM with 10:42 of moolight, then sets at 12:51 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.