Fluoride helps protect teeth by making the hard outer layer—the enamel—more resistant to acid attacks by bacteria and sugars.

The 16-million-ton pile of slag that occupies almost half of the former ASARCO smelter property is a reminder of East Helena's past.

A group called Clean Cape Fear held an event Wednesday with several groups talking about PFAS, including representatives from ...

Up to 1,000 gallons of water used in mining operations reached a creek and tundra, as an estimated 400,000 gallons spilled ...

The Environmental Protection Agency is walking back limiting certain forever chemicals in drinking water. 'What a joke': Republicans lock horns over Medicaid proposal The best and worst looks on the ...

The EPA’s mission, as proudly stated on its own website, is to “protect human health and the environment.” But someone might ...

The Environmental Protection Agency is rolling back rules limiting forever chemicals in drinking water. The Trump ...

ST. JOHN THE BAPTIST PARISH, La. — Activists and neighbors called the news that Denka was shutting down production at its controversial plant in St. John Parish a “shock.” ...

The EPA announced plans Wednesday to roll back drinking water standards for so-called “forever chemicals.” In North Carolina, ...

The head of the Environmental Protection Agency has come under bipartisan criticism over his agency’s actions to cancel ...

A petrochemical plant in Louisiana accused of increasing cancer risks for a majority Black community indefinitely suspended operations largely due to the high cost of reducing toxic pollution.

The Environmental Protection Agency says it will roll back limits on several types of what are known as forever chemicals in ...