Five places to go before global warming messes them up

By John D. Sutter
CNN

(CNN) -- Scientists expect some great travel spots to be altered or ruined by global climate change.

Glaciers in the European Alps may melt as soon as 2050, some scientists say.

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Some of the changes are already taking place. Others are expected to be seen in coming decades.

There are two ways to look at this: Either stay home (which might be less depressing and won't add more airline emissions) or get a move on it and see the hot spots you just can't miss.

For those who want to head out, CNN got advice on the best pre-warming travel destinations from Bob Henson, author of "The Rough Guide to Climate Change" and a writer at the University Corporation for Atmospheric Research in Boulder, Colorado.

Here are Henson's top five choices