Not as cold today
Copper Mountain and Keystone Resort in Summit County, Colo. will join already open Arapahoe Basin and Loveland Friday, Nov. 1.
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.