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metals

Chart showing mercury stable isotope concentrations in tree rings
Posted inEditors' Highlights

Trees Are Watching Us and Our Actions

by Ankur R. Desai 31 March 20205 May 2022

Annual growth rings in trees tell us more than climate history; they can also document the rise and fall of human industrial activities.

Close-up image of gravel and dust on an asphalt
Posted inNews

Road Dust: A Health Hazard Hidden in Plain Sight

Megan Sever, Science Writer by Megan Sever 7 November 201912 October 2022

Legacy heavy metals from past industrial activity combine with traffic paint; asphalt; and bits of tires, brakes, and car parts to create toxic dust on our roadways.

Illustration of oblong planet in front of bright star
Posted inNews

Ultrahot Exoplanet Bleeds Heavy Metals into Space

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 5 August 201931 October 2022

The planet is also shaped like a football (the American kind).

Petri dishes, each marked Geotraces
Posted inResearch Spotlights

Big Data Help Paint a New Picture of Trace Element Cycling

by Terri Cook 29 May 201911 October 2022

A new framework for understanding the suite of processes acting on marine particulate trace metals exemplifies how alternative analyses can maximize the information that large data sets provide.

Researchers look at metals in the millimeter-thick sea surface microlayer to better understand how the layer can affect ocean health
Posted inResearch Spotlights

Why Trace Metals Cling to the Ocean’s Skin

by E. Underwood 14 August 201825 August 2022

Metals within the millimeter-thick sea surface microlayer may impact ocean health and climate.

Sea cucumber among manganese nodules in the Pacific Ocean’s Clarion-Clipperton fracture zone.
Posted inResearch Spotlights

Natural Resource Exploitation Could Reach New Depths

by Jenny Lunn 21 July 201727 February 2023

The deep seafloor could provide humans with supplies of valuable metals, but opinion is divided as to whether sustainable exploitation is possible and worth the ecological and economic risk.

Posted inNews

New Reactive Barrier May Protect Groundwater from Mine Waste

by S. Kelleher 16 November 20156 February 2023

Researchers are developing a porous concrete filter to pull harmful dissolved metals out of water.

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Features from AGU Publications

Research Spotlights

How Greenland’s Glacial Troughs Influence Ocean Circulation

29 May 202529 May 2025
Editors' Highlights

Seasonal Iron Cycle and Production in the Subantarctic Southern Ocean

29 May 202529 May 2025
Editors' Vox

Keeping Soil Healthy: Why It Matters and How Science Can Help

29 May 202529 May 2025
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