Area of UNESCO glaciers
Median annual temperature
Peru is home to 92% of all tropical glaciers, in its Cordillera Blanca, although coverage has declined significantly in the recent past, due to their particular sensitivity to changes in climate. Glaciers are a valuable source of water and have a considerable impact on society. They provide vital freshwater to the Lima, one of the most “water-stressed” capitals in the world. The supply of drinking water, irrigation of large-scale agricultural projects and hydroelectric power plants—which 80% of the country’s electricity relies on—all depend on a continual and reliable supply of water.