Donald Trump has made drastic changes to the Environmental Protection Agency. Here’s how they could impact efforts to reform ...

"Fume events" occur when fluids such as engine oil or hydraulic fluid contaminate the air inside an airplane cabin via the ...

We have seen a long and gradual process of balancing our economic and environmental goals, exemplified by the Clean Air Act.

An advisory about fine particle air pollution from the highest-ranking physician in the United States would be a powerful ...