Clouds giving way to some sun
A brief shower this evening; otherwise, mainly clear and cooler
Rises at 6:53 AM with 12:17 of sunlight, then sets at 7:10 PM
Rises at 3:28 AM with 13:50 of moolight, then sets at 5:18 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.