Studies of sediment cores from the sea floor and the coastal regions surrounding the Aegean Sea show that humans contaminated the environment with lead early on in antiquity. Geoscientists conducted ...

Portland's sewer system combines sewage and runoff into the same pipes. Sometimes heavy rains cause those pipes to overflow. But a sewer overhaul 14 years ago has drastically reduced this pollution.

A West Virginia University researcher is working to understand and estimate environmental cleanup costs associated with ...