Bolivia's glaciers are sacred, breathtaking, and essential to the survival of thousands of people who depend on the water the glaciers provide. Some people are already feeling the disastrous effects,...

Leading environmental writer and activist Bill McKibben talks about how climate science and climate politics are quickly evolving - and how we now have a much more specific idea both...

Pucarumi lies at the foot of the Ausangate glacier in the uplands of Peru. Here, herders rely on pastures fed by glacier melt to feed their animals and irrigate...