A thick cloud cover
Partly cloudy and colder
Rises at 6:47 AM with 10:16 of sunlight, then sets at 5:03 PM
Rises at 11:47 PM with 12:47 of moolight, then sets at 12:34 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.