The dead zone in the Chesapeake Bay, where there’s low oxygen for underwater life, was near its average size in 2024, according to new data from the Chesapeake Bay Program. The dead zone is the area ...

Murky, sediment-rich Mississippi River water mixes with fresh saltwater in the Gulf of Mexico on June 7, 2024. Nutrient runoff from 41 percent of the United States flows down the Mississippi, creating ...

The Gulf of America’s “dead zone” has shrunk significantly this summer, with scientists measuring a hypoxic area of just over 4,400 square miles — roughly a third smaller than last year and far less ...

The annual Chesapeake Bay Dead Zone Report Card found the hypoxic zone — where dissolved oxygen falls below 2 milligrams per liter, making survival difficult for fish, crabs, and oysters — reached ...

The annual forecast for the “dead zone” in the Gulf of Mexico, which president Trump has renamed the Gulf of America, predicts the section of water where oxygen is unnaturally low will be about ...