Global warming is drying up mountain lakes and wetlands in the Andes and threatening water supplies to such major cities as La Paz, Quito and Bogota, World Bank research reveals. The risk is especially great to the high-Andes wetlands known as páramo, which supplies 80 percent of the water to Bogota's 7 million people. Rising temperatures are causing clouds to condense at higher altitudes. Eventually this so-called "dew point" will miss the mountains altogether, said World Bank climate change specialist in Latin America, Walter Vergara. "We're already seeing a drying up of these mountain lakes and wetlands. We're seeing that the dew point is going up the mountain," he said of the World Bank-funded research at Colombia's Institute of Hydrology, Meteorology and Environmental Studies. (Reuters, July 20)

See our last posts on global climate destabilization and its impacts in the Andes.