Articles on Water pollution

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A water bridge over the Klip River in Gauteng, South Africa. Shutterstock

Cancer causing toxicants found in a tributary of South Africa’s second largest river

Harmful pesticides have been found in the widely consumed sharptooth catfish found in a river that runs through Johannesburg.
Volunteers prepare to take flow measurements on Muddy Creek. Centre County Pennsylvania Senior Environmental Corps

How monitoring local water supplies can build community

When people form local networks to take care of resources such as drinking water, they strengthen their communities. Technology can support these efforts and promote learning and innovation.
Algae cover the surface of the Caloosahatchee River at the W.P. Franklin Lock and Dam, July 12, 2018, in Alva, Florida. AP Photo/Lynne Sladky

What is causing Florida’s algae crisis? 5 questions answered

Red tide and a blue-green algae outbreak are fouling hundreds of miles of coast, killing fish and driving tourists away from beaches. Some of the causes are natural, but human actions play a big role.
Little Missouri River, North Dakota. Justin Meissen

US rivers are becoming saltier – and it’s not just from treating roads in winter

Recent research shows that US rivers are becoming saltier and more alkaline. Salt pollution threatens drinking water supplies and freshwater ecosystems, but there is no broad system for regulating it.
There are nanometals in your washing machine. Evgeny Atamanenko

Silver nanoparticles in clothing wash out – and may threaten human health and the environment

Many socks, towels and other textiles are treated with silver nanoparticles to kill germs and odors. When the silver washes out, it can pollute waterways. Two chemists propose a way to collect it from wastewater.
Healthy aquatic vegetation in the Chesapeake Bay. Cassie Gurbisz/University of Maryland Center for Environmental Science

Cutting pollution in the Chesapeake Bay has helped underwater grasses rebound

An ambitious plan to cut the flow of nutrients into the Chesapeake Bay has produced historic regrowth of underwater seagrasses. These results offer hope for other polluted water bodies.

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