EL ALTO, Bolivia — When they first started climbing the Andes peaks, they could hear the ice crunching under their crampons. These days, it’s the sound of melted water running beneath their feet that ...

Felipe Kittelson remembered playing in Bolivia's snow for hours on end. He'd play until his eyes and ears ached from the cold and the altitude, he told the BBC in 2016. He recalled the treats he and ...

Climate change is projected to have a strongly negative effect on water supplies in the arid mountains of South America, significantly impacting millions of people. As one of the poorest countries in ...

La Paz is a tough city for mass transit. It was built by Spanish conquistadors, who laid out narrow, winding streets, and sits in a bowl-like depression with neighborhoods rising up the craggy slopes ...

(CNN) — With freezing temperatures of down to minus 40 degrees Celsius (minus 40 degrees Fahrenheit) and vegetation hundreds and sometimes thousands of meters below the mountain tops, the summits of ...

The Andes Mountains in South America are the world's longest mountain range and a hotspot of biodiversity. But the forest that climbs up this mountain range provides another important service to ...

And it's been happening for millions of years. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Earth's crust is dripping "like honey" into our ...

Toxic lead buried in icy layers of an Andes glacier reveals that leaded gasoline was the region's worst polluter in the past 2,000 years, a new study reports. Traces of lead pollution from precolonial ...