Partly sunny and cool
Cool with patchy clouds
Rises at 5:26 AM with 15:13 of sunlight, then sets at 8:39 PM
Rises at 6:39 PM with 10:21 of moolight, then sets at 5:00 AM
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.