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Vehicles emit many of the chemicals that cause Denver’s brown cloud of air pollution

A Rising Problem

Tackling Denver's ozone requires looking high and low.
Feature Article
Dec. 27, 2020
Photograph of a school of chub at the Kure Atoll State Wildlife Refuge

An Ocean full of Deserts

Scientists and satellites watch as the least productive areas of the oceans expand.
Feature Article
Dec. 27, 2020
Mountain glaciers, such as Colony Glacier in Alaska, often terminate in a lake.

A Glacial Pace

Satellites keep an eye on ice loss and gain in Alaska.
Feature Article
Dec. 27, 2020
the Melville, Mapple, and Crane Glaciers; Jorum Glacier is in the foreground.

After the Larsen B

Researchers study the aftermath of the collapse of an Antarctic ice shelf to find out what might happen next.
Feature Article
Dec. 27, 2020
Haze from smoke and dust aerosols can interfere with ultraviolet radiation reaching Earth, an effect that may be increasingly important as global temperatures rise.

Aerosols Over Australia

Researchers explore the links between atmospheric aerosols, climate change, and ultraviolet rays.
Feature Article
Dec. 27, 2020
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