Sun giving way to clouds
Mainly cloudy and seasonably cool
Rises at 7:29 AM with 11:02 of sunlight, then sets at 6:31 PM
Rises at 4:19 AM with 12:31 of moolight, then sets at 4:50 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.