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Mariana Mastache-Maldonado

Aerial view of a wide blue ice area in the Transantarctic Mountains, where ancient Antarctic ice cores or fragments can be found for climate research
Posted inNews

New Lessons from Old Ice: How We Understand Past (and Future) Heating

by Mariana Mastache-Maldonado 24 November 202524 November 2025

Fragments of blue ice up to 6 million years old—the oldest ever found—offer key insights into Earth’s warming cycles. Researchers are using these ancient data to refine models of our future climate.

On the human-made wall of a waterway, appear graffiti of a water spigot beside the text “Our dam levels won’t rise this easily. Please save water.”
Posted inNews

Are “Day Zero Droughts” Closer Than We Think? Here’s What We Know

by Mariana Mastache-Maldonado 5 November 20255 November 2025

A new study warns that day zero droughts—when reservoirs fail to supply taps—could become common within this decade.

A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

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Research Spotlights

Understanding Flux, from the Wettest Ecosystems to the Driest

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Avoiding and Responding to Peak Groundwater

25 November 202525 November 2025
Editors' Vox

Echoes From the Past: How Land Reclamation Slowly Modifies Coastal Environments

19 November 202519 November 2025
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