In Focus—Bryan Hubbell on the Evolution of Air-Quality Regulations
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In Focus—Bryan Hubbell on the Evolution of Air-Quality Regulations

Air-quality regulations in the United States are largely success stories—starting from the Clean Air Act of 1970, followed by its amendments in 1977 and 1990. Senior Fellow Bryan Hubbell highlights their importance to public health, made possible in part by American innovative engines. Challenges persist, such as deregulation efforts in the second Trump administration and the difficulty of assessing the effects of various pollutants on communities.