"The methods that EPA introduced after 1970 to reduce air-pollutant emissions worked for a while, but over time have become progressively less effective"

This quote by Barry Commoner recommends that the approaches presented by the Environmental Protection Agency (EPA) in 1970 to lower air-pollutant emissions were initially effective, however have since become less effective. This might be due to a variety of factors, such as the increasing number of automobiles on the roadways, the increase of industrialization, or the lack of enforcement of existing guidelines. It is clear that the EPA's techniques have not been able to keep up with the growing pollution problem, and that brand-new and more effective techniques should be implemented in order to minimize air-pollutant emissions. This could consist of more stringent policies, increased financing for research study and development, or rewards for businesses to reduce their emissions. Eventually, it depends on governments, services, and individuals to collaborate to decrease air-pollutant emissions and protect the environment.