During the early 1970s, the air in many American cities was … brown. Pollution muddied clear skies and sickened people across ...

The Environmental Protection Agency is allowing entities subject to the Clean Air Act to seek exemptions via email through ...

The Trump administration’s attempt to roll back numerous vehicle pollution standards has left states wondering what’s next.

The Clean Air Act has protected the air we breathe for four decades. By curbing air pollution it has saved many thousands of human lives and improved public health, all while saving money and ...

Of course, in order to play its lifesaving role for people and the climate, the Clean Air Act must be enforced. The Center works hard to make sure its comprehensive pollution-control system is fully ...

"President Bush's decision to go forward with strong environmental legislation, including the Clean Air Act…is a splendid gift to future generations of Americans and Canadians to savor," Brian ...