Authorities and environmentalists in Zambia fear the long-term impact of an acid spill at a Chinese-owned mine that ...

The U.S. has paused negotiations with Canada on a keystone management plan that governs flood control, water supply and ...

The Chicago River is just hours away from turning green in celebration of St. Patrick's Day, though high winds may put a ...

The event has run for more than a decade, and the city of Tampa says over the years it has become a nationally recognized ...