Princeton researchers find U.S. wastewater plants emit nearly twice the greenhouse gases previously estimated by the EPA.

Each year, U.S. wastewater treatment plants clean trillions of gallons of water, from what we flush down the toilet to drain ...

When Tooele County was hit by heavy rain on Saturday, most were focused on cleaning up. But in Ketelyn Chaves' Stansbury Park classroom, it led to a unique learning opportunity.

Students and parents in Portland are still waiting to learn if the middle and high schools will reopen Thursday after a massive sewage backup forced closures and created what officials called a ...