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Articles on Water pollution

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Col de Port, in the French Pyrenees. Author provided

Mountains, a fragile source of life

We think of mountains as remote and little affected by human activity. Unfortunately, the negative impacts of what we do has important implications for nature, wildlife and human society.
Heat-damaged plastic pipes can continue to leach chemicals into water over time. Darrian Traynor/Getty Images

Plastic pipes are polluting drinking water systems after wildfires – it’s a risk in urban fires, too

A new study shows how toxic chemicals like benzene are leaching into water systems after nearby fires. The pipes don’t have to burn – they just have to heat up.
President-elect Joe Biden opposes proposals to allow uranium mining around the Grand Canyon, which the Trump administration supports. Michael Quinn, NPS/Flickr

On environmental protection, Biden’s election will mean a 180-degree turn from Trump policies

The Trump administration has used executive orders, deregulation and delays to reduce environmental regulation. Biden administration officials will use many of the same tools to undo their work.
Eelgrasses covered with small snails, which keep the leaves clean by feeding on algae that live on them. Jonathan Lefcheck

Restoring seagrasses can bring coastal bays back to life

Healthy seagrasses form underwater meadows teeming with fish and shellfish. A successful large-scale restoration project in Virginia could become a model for reseeding damaged seagrass beds worldwide.
Firefighting foam left after a fire in Pennsylvania. These foams often contain PFAS chemicals that can contaminate water supplies. Bastiaan Slabbers/NurPhoto via Getty Images

PFAS ‘forever chemicals’ are widespread and threaten human health – here’s a strategy for protecting the public

PFAS chemicals are toxic, widespread and persistent in the environment, and the federal government has been slow to regulate them. A scientist explains why evaluating them one by one isn’t working.

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