ConceptClean Air Act Amendments
Clean Air Act Amendments
Amendments passed in the United States in 1990 aimed at reducing acid rain, ozone layer depletion, and toxic air pollution, introducing mechanisms such as emissions trading.
Timeline (last 90 days)
Oct 21
Since the 1990 Clean Air Act Amendments, the United States has implemented continuously tightening controls on power plant NOx emissions through the Acid Rain Program, the NOx Budget Trading Program, and the Cross-State Air Pollution Rule (CSAPR).
Unverified50%