The United Nations group that clears explosives from conflict zones tells NPR it has not started major clearing operations in Gaza, because Israel and Hamas have not yet agreed on the terms for ...

Discarded laughing gas canisters are exploding in waste facilities and risking injury to staff, several major companies tell the BBC. The high-pressure nitrous oxide metal canisters, which are being ...

But many who live and work in Clairton are wondering if they can hope for a sustained departure from decades of disinvestment and persistent pollution. This story is a collaboration between Pittsburgh ...