Lower methane emissions when permafrost disappears

Thawing permafrost in the Arctic does not always have to lead to increased emissions of the greenhouse gas methane. When thawed soil dries up, emissions can decline instead. A new study at the University of Gothenburg demonstrates ...

How will the biggest tropical trees respond to climate change?

Giant trees in tropical forests, witnesses to centuries of civilization, may be trapped in a dangerous feedback loop according to a new report in Nature Plants from researchers at the Smithsonian Tropical Research Institute ...

Model estimates subsidence risks across the globe

An international team of researchers has created a model that can be used to make estimates about the degree of subsidence risk for different parts of the world. In their paper published in the journal Science, the group ...

New polymer tackles PFAS pollution

The problem of cleaning up toxic polyfluorinated alkyl substances (PFAS) pollution—commonly used in non-stick and protective coatings, lubricants and aviation fire-fighting foams—has been solved through the discovery ...

Huge cavity in Antarctic glacier signals rapid decay

A gigantic cavity—two-thirds the area of Manhattan and almost 1,000 feet (300 meters) tall—growing at the bottom of Thwaites Glacier in West Antarctica is one of several disturbing discoveries reported in a new NASA-led ...

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