Continental arcs are a major player in global carbon dioxide emissions, but quantifying that relationship is hard. A new study accepts the challenge on a global scale over 750 million years.
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Can Bold U.S. Federal Climate Legislation Be Enacted Now?
Nearly 10 years after the introduction of the ambitious Waxman-Markey climate change bill, experts assess the chances of climate legislation.
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House Hearing Focuses on Why Biodiversity Matters
In the wake of a dire report on global threats to biodiversity, experts explain why the issue is so urgent, not just to the environment and to threatened species but also to people.
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Eruption in El Salvador Was One of the Holocene’s Largest
Roughly 1,500 years ago, the Tierra Blanca Joven eruption blanketed Central America in ash and likely displaced Maya settlements, new research shows.
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Dinosaurs Roar Again, Now Including a Focus on Climate Change
The newly renovated fossil hall at the Smithsonian’s National Museum of Natural History features spectacular fossils and includes a theme of human impact on life on Earth.
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Afghanistan’s Blob Hunters
How a first-of-its-kind team of Afghan scientists and engineers helped make a monolithic discovery.
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Damselfish in Distress?
Noise pollution may be changing how some species of fish develop.
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Senator Rips Trump on Anniversary of Plan to Leave Climate Pact
The second anniversary of the administration’s announcement of its intent to withdraw from the Paris climate accord drew disdain from Sen. Chris Murphy and several environmental leaders.
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The Quaking, Shrinking Moon
New evidence suggests that the Moon may still be tectonically active.
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Ammonia Ice Deposits on Pluto Hint at Recent Cryovolcanism
This discovery is the latest in a growing stack of evidence pointing to the presence of an ammonia-rich water ocean beneath Pluto’s icy crust.