Dead algae sinking to the ocean floor may have sequestered carbon 445 million years ago, triggering the glaciation that accompanied the Late Ordovician mass extinction.
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Ursula B. Marvin (1921–2018)
This bold mineralogist and feminist bucked norms that deemed geology unsuited for women. She contributed to meteoritics, science history, and petrology, including the analysis of Apollo Moon rocks.
Environmentalists Are Glad Pruitt Is Out but Worry What’s Next
With Scott Pruitt’s resignation, EPA deputy administrator Andrew Wheeler, a former coal lobbyist, takes charge and is likely to continue the same deregulation and antienvironment policies.
Trump’s Ocean Policy Order Draws Ire from Conservation Groups
The executive order gives nods to science and the environment but focuses on resource development and national security.
Are We Prepared for an Asteroid Headed Straight to Earth?
A century after an asteroid crashed into Tunguska, Siberia, experts discuss the current lineup of missions to study asteroids and mitigate future disasters should another object from space hit Earth.
Congressman Renews Call for EPA Administrator to Resign
In an interview with Eos, Rep. Don Beyer, the second-highest-ranking Democrat on the House Science Committee, details why he calls Pruitt “an embarrassment” to the Trump administration.
New Version of Popular Climate Model Released
After spending months addressing a big glitch, researchers released the second version of the Community Earth System Model.
Climate Research Funding Still Under Threat, Report Warns
Congressional appropriations may not be sufficient enough to fund climate research if the Trump administration reprograms funds or takes other steps to limit funding, the report says.
Rare Glacial River Drains Potentially Harmful Lakes
Antarctic lakes have contributed to ice shelf breakup in the past, but a glacier in Greenland appears safe from a similar fate, thanks to a river that drains away water.