Previous Image Next Image In this Aug. 12, 2016 photo, a group of tourists ride horses to the Pastoruri glacier in a tour called “The Route of Climate Change” in Huaraz, Peru. The tropical glaciers of South America are dying from soot and rising temperatures, threatening water supplies to communities that have depended on them for centuries. (AP Photo/Martin Mejia) See these photos on APImages.com Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like Loading...