Picture Gallery: The Fertile Crescent at Risk 04/16/2008
 The Fertile Crescent from space: embedded in deserts and barren mountains, the...
NASA/GSFC

The Fertile Crescent from space: embedded in deserts and barren mountains, the "cradle of civilization" extends in a giant arc from the Nile River in Egypt to the east coast of the Mediterranean to the Persian Gulf. But the region is now threatened by climate change.