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

Three scientists, including one from the U.S., share the 2025 Nobel Prize in Chemistry for developing “metal-organic ...

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

Carbon is the chemical element found in the greenhouse gas CO₂ emitted from fossil fuels burned in cars, factories and other ...