Question

air pollution
clean air act
air pollution reduction in the united states and other countries primarily relies on laws that mandate lower emissions. in the united states, early air pollution laws included the 1963 clean air act, which used incentives and federal grants to encourage states to reduce air pollution emissions directly. this laid the groundwork for amendments to the clean air act, allowing it to adapt to shifting pollution trends.

in 1970, a revision identified critical pollutants that needed reduction. this led to the establishment of ambient air quality standards for these pollutants, setting both primary and secondary standards for human health and environmental quality. these standards define maximum allowable levels for pollutants, and they require states to create state implementation plans for air pollution reduction. this shift marked a significant change as the federal government took a more active role in regulating air quality, mandating each state to formulate its own plan for managing or preventing air pollution. this cooperative effort requires a joint approach to tackling air pollution, with the federal government and the states.

which law, passed in 1963, was one of the earliest air pollution laws in the united states?

breathing law

clean air act

healthy environment law

good air amendment

Explanation:

The text on the left states that in the United States, early air pollution laws included the 1963 Clean Air Act. The question asks which 1963 law was an early air pollution law, so the correct answer is the Clean Air Act.

Answer:

B. Clean Air Act