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Sensors sniff out the comings and goings of carbon dioxide at the Missouri Ozarks AmeriFlux site. (

The Secrets of Leaves

A silent exchange between land and air reveals what we don't know.

Feature Article

Dec. 28, 2020

In Naruto, Japan, a boundary between different water masses appears as a sliver of still water beyond turbulent waters.

Salt of the Sea

Researchers study the recipe for salt, currents, and climate.

Feature Article

Dec. 28, 2020

Many locations north of the equator, such as Guyana, tend to receive more rain than locations in the southern tropics. (Courtesy T. Rampersad)

Rooting Out Rainfall

Polar water fuels off-kilter rainfall in the tropics.

Feature Article

Dec. 28, 2020

In this image from the NASA Aqua satellite, a swirling phytoplankton bloom becomes visible from space when warm waters from the Kuroshio Current collide with the frigid waters of the Oyashio Current off the eastern coast of Japan.

Probing the Black Current

Satellites and ocean bottom instruments tell similar stories.

Feature Article

Dec. 28, 2020

A Bedouin shepherd tends his sheep amid a parched landscape in Syria. (Courtesy J. Werner)

Crisis in the Crescent

Drought turns the Fertile Crescent into a dust bowl.

Feature Article

Dec. 27, 2020

An unusual area of open water surrounded by persistent ice, captured in this MODIS image in mid-September, appeared during the melt season.

Arctic Sea Ice on the Wane: Now What?

Scientists have determined that Arctic sea ice is on the decline, leading to questions about future climate.

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

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