Clouds giving way to a brightening sky and cooler
Cooler with patchy clouds; less humid late
Rises at 6:39 AM with 14:32 of sunlight, then sets at 9:11 PM
Rises at 3:58 AM with 14:41 of moolight, then sets at 6:39 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.