Scientists find massive reserves of mercury hidden in permafrost

Alessio Gusmeroli and Tim Schaefer drill a permafrost core on the North Slope of Alaska near Deadhorse. Credit: Kevin Schaefer, NSIDC. High-resolution imageResearchers have...

Dust on snow controls springtime river rise in the West

A new study has found that dust, not spring warmth, controls the pace of spring snowmelt that feeds the headwaters of the Colorado River....

NASA Sensing Our Planet 2017 features 25 researchers from Canada, Chile, China, France, Norway,...

Click here to find Sensing Our Planet online. High-resolution imageBoulder, Colo.—The NASA Earth science data centers highlight the work of twenty-five researchers worldwide in...

Arctic sea ice at 7th lowest September

Arctic sea ice extent for September 2017 was 4.87 million square kilometers (1.88 million square miles). The magenta line shows the 1981 to 2010...

Arctic sea ice at minimum extent

Arctic sea ice extent likely reached its annual minimum extent on September 13, 2017. Credit: NSIDC. High-resolution image.Arctic sea ice extent has likely reached...

Not all glaciers in Antarctica have been affected by climate change

This image of Antarctica's western Ross Sea and the Ross Ice Shelf was captured by the Sea-Viewing Wide Field-of-View Sensor on the NASA SeaStar...

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VIDEO: 'Difficult slog' ahead to undo Obama climate legacy, says former EPA chief.

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Methane emissions from trees

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Action required: Invasive fungus is killing European salamanders

A new fungal disease brought in from Asia is threatening European salamanders. Once the amphibians become infected, they die within a brief period of...