Newly drilled cores from the Baltic Sea reveal 1,500 years of deoxygenation history. The record sheds light on the dire state of the Baltic Sea today.
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Edward L. Chupp (1927–2017)
This pioneer in high-energy solar physics devised instruments for observing solar and cosmic ray emissions with which he detected, for the first time, nuclear gamma rays from solar flares.
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What Can NASA Do to Better Protect the Planets It Probes?
A new report found that decades-old policies, unclear strategies, and regulatory gaps may create future problems for the agency. Here are four ways to head off these problems.
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Why Are Siberian Temperatures Plummeting While the Arctic Warms?
The answer involves the intricacies of stratospheric circulation, which, if better represented in climate models, could help predict extreme weather events in Siberia and elsewhere.
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Heat Waves, More Than Coral Death, May Cause Fish to Flee Reefs
A study over a broad swath of the Great Barrier Reef shows that warming waters directly cause fish and invertebrates to leave the reef, making it harder for coral to recover from bleaching events.
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Youth Urge Action on Climate Change and Environmental Justice
Marches on Saturday in Washington, D. C., and other cities spring from “a sliver of hope left” to act against climate change.
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Clean Energy Gains Ground
A new report documents the rise of clean energy despite the Trump administration’s focus on fossil fuels. Several Congress members call renewable energy a bipartisan issue that’s good for the economy.
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Ten New Moons Discovered Around Jupiter
The newly plotted moons of Jupiter include one “oddball” that orbits in the wrong direction and may be the remnant of a head-on collision.
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A. F. “Fred” Spilhaus Jr. (1938–2018)
AGU’s former executive director turned his zeal for defending scientific integrity and for advancing Earth and space research into a 40-year career that enriched scientific pursuits around the world.
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New EPA Head Says His Priorities Include Regulatory Relief
Andrew Wheeler brings a new tone and a vow of openness to the agency. However, he plans to pursue the same goal as his predecessor, which could weaken environmental regulations.