A smoggy Los Angeles street in 1960. Credit
As President Trump, the auto industry and the state of California battle over air pollution standards, a new article in Public Health Reports analyzes the early years of 20th-century air pollution control in Los Angeles. In both scholarship and public memory, mid-century efforts at the regional level were overshadowed by major federal developments, namely the Clean Air Act and creation of the US Environmental Protection Agency in 1970.