America's ports have long struggled with dirty air that chokes nearby neighborhoods and jeopardizes the health of people living there.

A pair of environmental engineers at the National University of Singapore has found that many bacteria in common sewer water are able to detoxify tetrachloroethene. In their study published in the ...

This story was produced in partnership with the Pulitzer Center. It is part three in a four-part series. Read part one here ...

The agency was created to protect the environment and public health, but a series of moves suggests it is transforming under ...