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CC BY-NC-ND 2018

Sherman’s Lagoon comic panel showing Sherman and Hawthorn reading Eos.
Posted inFeatures

Dive into Ocean Issues with Sherman’s Lagoon

by Randy Showstack 16 July 201821 December 2022

Sherman’s Lagoon creator talks to Eos about providing light-hearted entertainment while weaving in ocean facts and larger messages about threats to the ocean and its creatures.

Researchers analyze rocks from Mars’s Gale crater to see whether the conditions under which they formed were really as Earthlike as previously believed.
Posted inResearch Spotlights

Is Mars Not So Earthlike After All?

by E. Underwood 16 July 20183 January 2023

Light-colored Gale crater rocks could have formed from intraplate volcanoes, not continental crust, new study finds.

The TRAPPIST-1 exoplanet system as it might look like from a vantage point near the planet TRAPPIST-1f (at right)
Posted inAGU News

AGU and AAS Join Forces to Foster Understanding of Exoplanets

by J. Speiser 13 July 201810 April 2023

Enhanced cooperation between organizations representing astronomers and Earth and space scientists will build upon interdisplinary work already bridging geophysics and astronomy.

An overview of interactions and feedbacks between ice sheets and the Earth system
Posted inEditors' Vox

Icy Interactions

by J. Fyke, Olga Sergienko, M. Löfverström, S. Price and J. Lenaerts 13 July 20189 February 2023

Complex interactions between ice sheets and other components of the Earth system determine how ice sheets contribute to sea level rise.

A close-up of a painting of Fred Spilhaus, executive director of the American Geophysical Union from 1970 to 2009.
Posted inNews

A. F. “Fred” Spilhaus Jr. (1938–2018)

by J. C. Holoviak 13 July 201813 July 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.

Andrew Wheeler, the new acting administrator of the Environmental Protection Agency, speaking to staff and the press.
Posted inNews

New EPA Head Says His Priorities Include Regulatory Relief

by Randy Showstack 12 July 201825 May 2022

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.

Vegetation dynamics in Amazonia
Posted inEditors' Highlights

Seasonal Leaf Production Is Key Control on Amazon Carbon Balance

by G. Vourlitis 12 July 20186 March 2023

Characterizing leaf phenology in process-based models reconciles both “dry season green-up” and drought controls on Amazonian carbon balance.

Researchers analyze historical modeling outputs to assess seasonal climate predictions
Posted inResearch Spotlights

Evaluating the Accuracy of Seasonal Climate Predictions

by Terri Cook 12 July 20187 October 2022

An analysis of historical modeling outputs is improving our understanding of the relationships between different types of seasonal forecasting skills.

Researchers track dissolved organic carbon in high-elevation lakes to understand how lakes have been affected by acid rain and a changing climate.
Posted inResearch Spotlights

Effects of Acid Rain, Climate Change on Freshwater Lakes

Aaron Sidder, freelance science writer by Aaron Sidder 11 July 201821 March 2022

New England lakes weathered years of acid rain. A new study tracks how they are faring after 30 years of regulation and how climate change factors into the equation.

Drawing of sea life that flourished after the Ordovician Period ended with a mass extinction event 445 million years ago.
Posted inNews

Tiny Algae May Have Prompted a Mass Extinction

Katherine Kornei, Science Writer by Katherine Kornei 11 July 201830 January 2023

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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A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

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New Global River Map Is the First to Include River Bifurcations and Canals

15 May 202514 May 2025
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Old Forests in a New Climate

15 May 202514 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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