Last winter, the mountains that shape Bogotá’s skyline more than any skyscraper were on fire. Which is strange in a place ...

Permafrost, a unique geological phenomenon found in the Qinghai-Xizang Plateau and other high-altitude cold regions, ...

Aside from hotter summers and melting glaciers, climate change is transforming how, when and where rain falls. This ...

Over 2.5 billion people depend on aquifers for fresh water, but rising seas and climate change are pushing saltwater into ...