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Peru's "White Mountain Range" may soon have to change its name.
The ice atop Cordillera Blanca, the largest glacier chain in the tropics, is melting fast because of rising temperatures, and peaks are turning brown. The trend is highlighting fears of global warming and, scientists say, is endangering future water supplies to the arid coast where most Peruvians live.
Glaciologists consider the health of the world's glaciers an indicator of global warming and they warn that what is happening in the Andes signals trouble ahead.
"To me it's the rate of ice loss that's a real concern," because when melting accelerates, the ice cannot replenish itself, said Lonnie Thompson, a leading glacier expert at Ohio State University.
