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water pollution

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.

Satellite image of the Nile Delta
Posted inEditors' Highlights

Tracking Heavy Metal Accumulation in the Nile Delta

by Benjamin Sulman 22 March 202321 March 2023

Sediment measurements show that flow alterations and discharges are driving increasing concentrations of multiple heavy metals in the Nile Delta, threatening ecosystems, agriculture, and human health.

Posted inEditors' Highlights

Suivie de l’accumulation des métaux lourds dans le Delta du Nil

by Benjamin Sulman 22 March 202321 March 2023

Les analyses de sédiments montrent que la réutilisation de l’eau non traitée et la construction de barrages entraînent l’augmentation des concentrations de métaux lourds dans le Delta du Nil, menaçant gravement les écosystèmes, l’agriculture et la santé humaine.

A white water tower against a blue sky with trees in the foreground.
Posted inResearch Spotlights

U.S. Public Water Supply Is a Local Source of Phosphorus Pollution

Rachel Fritts, Science Writer by Rachel Fritts 16 March 202316 March 2023

Excess phosphorus may reach U.S. rivers, lakes, and groundwater through water main leaks and outdoor water use.

A person’s hand holding many pills and a pile of pills on the surface underneath
Posted inResearch Spotlights

What Happens to Drugs After They Leave Your Body?

by Saima May Sidik 24 January 202331 January 2023

It’s hard to predict with certainty how drugs break down once they enter waterways. In a new study, scientists devised a way to do just that.

Photograph of 2 people floating on the Madison Blue spring in northern Florida.
Posted inEditors' Vox

The Importance of Springs and Why Humanity Needs to Protect Them

by Matthew J. Currell and Brian G. Katz 30 November 202230 November 2022

A new book explores why springs are critical for humanity and ecosystems, the threats they are facing, and how we can act now to protect and restore them.

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.

Aerial view of a farm in Illinois
Posted inNews

Wetlands on the Farm: Potent, Nutrient-Capturing Tools in (Relatively) Small Packages

by Kristen Coyne 21 September 2022

Constructed wetlands can significantly reduce water pollution from tile-drained farms.

This photograph shows the rocky shore of a placid blue lake in front of green forested mountains. The shore is strewn with white and brown rocks and driftwood. A person dressed in black walks along the shore carrying a fishing rod, and there is a small boat visible on the left side of the image.
Posted inResearch Spotlights

The Fate of a Lake After a Dramatic Mining Disaster

Sarah Stanley, Science Writer by Sarah Stanley 9 September 202212 October 2022

Researchers tracked long-term sediment dynamics in Canada’s Quesnel Lake following the 2014 failure of a dam that spilled record-breaking amounts of contaminated mining waste.

A banana field replaced by two shrimp ponds due to soil salinization in Zhongshan, Guangdong Province, China.
Posted inResearch Spotlights

The Shapes of Shrimp Farms Affect Their Groundwater Pollution

by Aara’L Yarber 8 August 20228 August 2022

New findings may help decisionmakers optimize shrimp farm layouts, which could help improve coastal water quality.

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By Luke C. Skinner and Edouard Bard

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