• About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
Skip to content
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
Eos

Eos

Science News by AGU

Support Eos
Sign Up for Newsletter
  • About
  • Special Reports
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • Postcards From the Field
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive: 2015–2025
  • Policy Tracker
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos

arsenic

A gloved hand holds a piece of thin ice dotted with bubbles up to a blue sky.
Posted inNews

Scientists Traced Arctic Arsenic Back to a Montana Mine

by Emily Gardner 10 November 20269 November 2026

Atmospheric modeling of the particles’ journey suggests that millions of North Americans were exposed to arsenic levels 12 to 60 times higher than modern levels between 1898 and 1918.

A plume of smoke rises from the side of a mountain.
Posted inNews

Eaton Wildfire Exposed Millions to a “Cocktail of Chemicals”

by Emily Gardner 28 October 202628 October 2026

Compared to a nearby wildfire that primarily burned vegetation, the smoke plume from the urban Eaton Fire contained 3 times as much arsenic and 50 times as much lead.

Two large concrete vats of water are seen from above at a water treatment plant. Various buildings and pathways are behind, and a body of water can be seen in the distance.
Posted inNews

In Bihar, Groundwater Treatment Units Were Installed in Regions That Didn’t Need Them

by Anuradha Varanasi 21 May 202621 May 2026

Some regions that did need systems to treat carcinogens such as arsenic went without.

A lake, seen from a rock on the shore, is mostly covered in ice but beginning to melt. The melting water is purple. On the other side of the lake, a rocky cliffside with evergreen trees is visible beneath a blue sky.
Posted inResearch Spotlights

How the Spring Thaw Influences Arsenic Levels in Lakes

by Saima May Sidik 6 February 20266 February 2026

Four lakes near Yellowknife, Canada, show that there’s no one-size-fits-all answer.

A metal cylinder and box surrounded by dry grass in front of a house in a rural area.
Posted inNews

The Western Great Basin Has an Arsenic Problem—Blame Its Geology

by Elise Cutts 31 March 2023

A new study links geological factors such as faulting and geothermal activity to an elevated risk of arsenic contamination in private wells across the Great Basin.

A schematic of the mechanism that explains why shallow lakes are more sensitive to shallow water pollution with Arsenic than deep lakes.
Posted inEditors' Highlights

Understanding Enhanced Arsenic Pollution in Shallow Lakes

by Marc F. P. Bierkens 29 November 202225 January 2023

A new study explains why the arsenic that has accumulated in lake bottom sediments is more harmful to the lake ecosystems in shallow lakes.

A map of central Mexico that uses different colors to show variations of arsenic concentrations in groundwater.
Posted inEditors' Highlights

Protecting Children’s Health Can Benefit the Economy

by Avner Vengosh 6 July 202228 February 2023

A new study presents an integrated approach to predicting the human health impacts, economic implications, and remediation solutions for using contaminated groundwater in Central Mexico.

Charts showing frequency distribution of the arsenic concentration for the respective nominal kit categories for the paired dataset.
Posted inEditors' Highlights

Field Kits Effectively Predict Arsenic Contamination

by Avner Vengosh 19 January 202228 February 2023

Field kits used in Bangladesh to test arsenic exposure from contaminated drinking water are effective in comparison to expensive laboratory arsenic tests.

Dust cloud over the Ä’äy Chù/Slims River formed by a retreating glacier in Yukon, Canada
Posted inNews

Dust from Receding Glaciers May Have Major Atmospheric Impacts

by E. Harwitz 16 December 202028 February 2023

New research is helping scientists understand how Arctic dust created by receding glaciers affects local air quality and global climate.

The Sun sets over a rice field in Cambodia.
Posted inNews

Will Rising Temperatures Make Rice Too Toxic?

by N. Ogasa 9 December 202028 February 2023

Greenhouse experiments reveal how higher temperatures act to elevate arsenic levels in rice and may help focus efforts to solve a crisis threatening food systems around the world.

Posts pagination

1 2 Older posts
Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

The Experiments Improving Our Understanding of Volcanic Tsunamis

12 November 202612 November 2026
Editors' Highlights

Disappearing Moon Craters

9 November 2026
Editors' Vox

Announcing the New AGU Publications Editors-in-Chief Starting in 2027

6 November 20266 November 2026
Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2026 American Geophysical Union. All rights reserved Powered by Newspack