Articles on Water quality

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Maywood Riverfront Park was built on the site of eight former industrial properties in Los Angeles County. Luis Sinco/Los Angeles Times via Getty Images

Flood maps show US vastly underestimates contamination risk at old industrial sites

Climate change is colliding with old factory sites where soil or water contamination still exist, and the most vulnerable populations are particularly at risk.
Environmental DNA is a promising tool for tracking species in freshwater ecosystems like Oregon’s Elkhorn Creek. Greg Shine, BLM/Flickr

Scientists at work: We use environmental DNA to monitor how human activities affect life in rivers and streams

Rivers are among the most embattled ecosystems on Earth. Researchers are testing a new, inexpensive way to study river health by using eDNA to count the species that rivers harbor.
An orchard near Kettleman City in California’s San Joaquin Valley on April 2, 2021. Frederic J. Brown/AFP via Getty Images

Water wells are at risk of going dry in the US and worldwide

The US has one of the highest groundwater use rates in the world. When wells run dry, households may opt to conserve water, find new sources or sell and move.

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