
In this Aug. 12, 2016 photo, a block of ice of Pastoruri glacier is melt. Tourist visit this glacier in a tour called “Route of climate change” in Huaraz, Peru. “As glaciers disappear around the world, there is less water available for use for hydroelectric power, as a renewable resource for agriculture for human consumption,” said Benjamin Orlove, a professor of international and public affairs at Colombia University in New York. “The glacier retreat also brings many disasters. Entire slopes are destabilized, creating landslides that travel many miles and have destroyed entire towns.” (AP Photo/Martin Mejia)
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