Airport Was Given Bird Strike Warning Days Before South Korea’s Deadly Crash

The latest warning came 10 days before the deadliest air crash in South Korea. A dozen officials gathered inside a room at Muan International Airport for a meeting of a bird strike prevention committee, where they discussed the number of…

E.P.A. Investigations of Severe Pollution Look Increasingly at Risk

A refinery in New Mexico that the federal government has accused of some of the worst air pollution in the country. A chemical plant in Louisiana being investigated for leaking gas from storage tanks. Idaho ranchers accused of polluting wetlands.…