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glaciers

Kathmandu's air quality is notorious. Now there's an Air Quality Index to measure just how bad.

Nepal’s air pollution threatens humans and glaciers

Health

The air quality in Nepal's capital is horrible for residents there, but we're now seeing what the fuel burning — and the dreaded black carbon — is doing to the glaciers nearby.

Nepal’s air pollution threatens humans and glaciers
Bolivia’s dried-out Ajuan Khota dam, a reservoir affected by drought near La Paz, photographed on Nov. 17.

With melting glaciers and mining, Bolivia’s water is running dangerously low

Environment
With melting glaciers and mining, Bolivia’s water is running dangerously low
Greenland's Sermilik fjord is choked with huge icebergs from one of the island's biggest glaciers. But climate researchers working in the fjord and on the Helheim glacier are looking for tiny clues in hopes of getting a better handle on how cliamte change

Looking small for big answers in Greenland

Environment
Looking small for big answers in Greenland
Dark rock above the Helheim glacier in southeastern Greenland marks its former level, before a sudden and dramatic retreat of hit many Greenland glaciers a decade ago. Scientists working on the Helheim and the fjord it drains into are looking for clues to

In Greenland, a climate change mystery with clues written in water and stone

Environment
In Greenland, a climate change mystery with clues written in water and stone
A calving glacier off Greenland

A seven-year-old photo captures the thunderous changes in Arctic glacier melt

Environment
A seven-year-old photo captures the thunderous changes in Arctic glacier melt