The roundness of sediment deposits may shed light on how big tsunamis were in the past and how to evaluate hazards in the future.
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Groups Oppose Cuts to Federal Advisory Committees
Dozens of groups call for President Donald Trump to rescind an executive order that they say would arbitrarily eliminate essential advice to inform government decision-making.
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Resilient Peatlands Keep Carbon Bogged Down
Boreal peatlands contain some of the world’s largest reservoirs of soil carbon, and new research suggests some peatlands may hold on to that carbon even as the climate changes.
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Ancient Maya Farms Revealed by Laser Scanning
One agricultural network was 5 times larger than earlier estimates, and the fields may be an early source of human-caused greenhouse gas emissions.
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Foretelling Forest Death from Above
A satellite-based early-warning signal may spot the start of a forest’s decline and give forest managers more time to save its life.
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Wildfires Affect Water Resources Long After the Smoke Clears
Wildfires affect watersheds in myriad ways, from reducing evapotranspiration to changing soil repellencies, but new research suggests impacts on snowpack and runoff are the most significant.
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Ocean-Based Actions Provide Big Opportunities to Curb Emissions
A new report outlines key areas to help mitigate emissions, including increased renewable energy, more efficient ocean-based transport, and advances in managing fisheries and aquaculture.
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Interstellar Interloper Borisov Looks Like a Regular Comet, for Now
A first look at the chemical composition of the interstellar comet Borisov reveals ingredients that look a lot like those found in solar system comets. That’s not likely to last very long.
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Freshwater Pools Show Antarctica Is More Vulnerable Than We Thought
East Antarctica’s lakes cluster in patterns similar to those on Greenland’s ice sheet, which is melting rapidly.
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What Makes for Ethical Citizen Science Research?
A new study explores questions of consent and coercion in citizen science.