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

A discussion of the Clean Air Act (CAA), its amendments, and significant caselaw pertaining to clean air regulation in the US ...

How much was known at the mid-20th century about the dangers of human-caused climate change? A lot more than most Americans ...

We are far from the days when conservative heroes Richard Nixon and Ronald Reagan signed the Clean Air Act in 1970 and the Montreal Protocol in 1987, landmark initiatives that put the health of ...

But all that changed when Richard Nixon signed the Clean Air Act of 1970. The law set national limits for six major pollutants, established stringent emissions standards for vehicles, ...

Since the Clean Air Act took effect, emissions of the most common pollutants have fallen by around 80%. ... But all that changed when Richard Nixon signed the Clean Air Act of 1970.

That includes the Clean Air Act — which Hawkins helped implement, and which reduced premature deaths by 230,000, heart disease by 200,000, and lost school days by 5.4 million between 1990 and ...