Modern society, and the clean energy revolution, depend on rare earth elements. Can Greenland help break China's stranglehold on the market?

Swiss scientists say the biggest glacier in the Alps could yet be partially saved if global warming is capped below two ...

At 5 100 meters above sea level, the air around Bolivia's Huayna Potosí glacier is thin, brittle with altitude. The wind ...

In this picture are Mark and Marilisa Heiderscheid of Glen Carbon standing in Torres del Paine National Park in Chilean Patagonia with the Andes Mountains in the background. Since Mark’s retirement ...