Water

Toxic algal blooms are forcing Cape Cod communities to consider expensive sewer and septic system projects.

Cape Cod’s water is turning “pea-soup green”—and after decades of scientific detective work, we know why.

Bubbles shaped like teardrops, flattened eggs and worms reveal ice’s inner life

The Mississippi River has been manipulated for decades. A new book considers alternative forms of control

Though sometimes overstated, the benefits of cold-water swimming are slowly becoming clearer

More huge cities are facing Day Zero—the date water taps go dry—just as Cape Town, South Africa, did

A new EPA rule will limit PFASs, or “forever chemicals,” in your drinking water for the first time. Here’s what that means for you

Tourism is big business on the cape, but a growing environmental issue could disrupt the lives of tourists and residents, alike.

The Israel Defense Forces has confirmed it is dumping seawater into the web of tunnels beneath Gaza, which scientists say may contaminate the aquifer that supplies most of Gaza’s water

The most detailed global look at groundwater yet shows a lot of loss but also stories of success in restoring some aquifers

Streams in Alaska are turning orange with iron and sulfuric acid. Scientists are trying to figure out why

Staggering amounts of toxic “forever chemicals” have been found in freshwater fish, but there is no federal guidance on what is a safe amount to eat