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Colder with periods of snow
Mostly sunny and very cold
Sunshine mixing with clouds
Clouds and sunshine
Boston will lie on the northern edge of a 1,500-mile swath of snow, slippery roads and travel disruptions for a time on Thursday. more >
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.