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water pollution

Imagen aérea de un vecindario en Texas inundado. Se observan sólo los techos de las casas y las copas de los árboles.
Posted inENGAGE, News

Cuando los ríos están contaminados, las inundaciones son solamente el primer problema

by J. Besl 24 March 202227 March 2023

A medida que las inundaciones aumentan en frecuencia e intensidad, los productos químicos enterrados en los sedimentos de los ríos se convierten en “bombas de tiempo” que esperan activarse.

A chat, or waste, pile near the Tar Creek Superfund site in Oklahoma.
Posted inNews

Community Input Drives Superfund Research

by Robin Donovan 14 December 202125 October 2022

Researchers identified geochemical tracers for lead and investigated Oklahomans’ concerns at the Tar Creek Superfund site.

Canoers paddle along the Anacostia near Kenilworth Park in Washington, D.C.
Posted inFeatures

The Capital’s Waterways Could Be Swimmable by 2030

Mark Betancourt, Freelance Journalist by Mark Betancourt 22 November 202124 November 2021

Scientists, community groups, and the Clean Water Act are behind Washington, D.C.’s massive project to reduce combined sewer overflows by 96%.

A satellite image of a bright green algae bloom in the dark blue waters of Lake Erie
Posted inResearch Spotlights

Cyanobacteria Blooms Exceed WHO Thresholds in Midwest Lakes

by Rebecca Dzombak 16 November 20216 June 2022

A study of 369 lakes across the Midwest finds that many of them, especially those close to agriculture, have high concentrations of harmful algal bloom-causing cyanobacteria.

A stream in autumn with trees and vegetation along both banks, with an old barn and agricultural fields in the background.
Posted inENGAGE, News

Scientists Call for Policies to Buffer Agricultural Runoff

by Jady Carmichael 22 October 202129 March 2023

By reviewing 44 studies, researchers make a scientific case for regulating agricultural pollution of streams and rivers by implementing conservation practices, including riparian buffer zones.

Water samples collected from Gwynns Falls stream in Baltimore
Posted inENGAGE, News

Leaky Pipes Are Dosing Baltimore’s Waterways with Drugs

Richard Sima, freelance science writer by Richard J. Sima 22 October 202129 March 2023

Poor infrastructure is responsible for tens of thousands of pharmaceutical doses that flow through Baltimore’s streams each year.

This junction in Colorado’s Snake River is tinged with orange due to acid rock drainage.
Posted inENGAGE, News

New Contamination Concern for Colorado Streams

by Nancy Averett 14 October 202129 March 2023

Abandoned hardrock mines and climate change cause metals and other elements to leach into streams. They also put rare earth elements into the water, a new study finds.

A young man pulls water from a well in an agricultural area in India.
Posted inNews

Researchers Trace Threats to Groundwater in India

by T. V. Padma 8 October 20219 May 2022

A handful of new studies analyze the depletion and contamination of groundwater, as well as the effects of climate change—and how communities are responding.

Floodwaters fill the streets of Port Arthur, Texas, after Hurricane Harvey in 2017.
Posted inENGAGE, News

When Rivers Are Contaminated, Floods Are Only the First Problem

by J. Besl 10 September 202129 March 2023

As floods increase in frequency and intensity, chemicals buried in river sediments become “ticking time bombs” waiting to activate.

An aerial view of green algae mats near the western shore of Lake Erie
Posted inENGAGE, News

Lake Erie Sediments: All Dredged Up with Nowhere to Grow

by J. Besl 31 August 202129 March 2023

Agriculture is a key contributor to the algae mats that plague Lake Erie. With so many fertilizers entering the lake, could sediment from the lake floor be used to grow crops instead?

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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

Tiny Cyanobacteria May Be the Secret Heroes of Ocean Carbon Sequestration

10 September 202610 September 2026
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Waves Play a Key Role for Lateral Stirring and Mixing of Ocean Tracers

11 September 202611 September 2026
Editors' Vox

How Can We Make Better Decisions About What Lies Underground?

10 September 202610 September 2026
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