The Clean Air Act has saved millions of lives, but the EPA will stop calculating those benefits for at least some proposed ...

The passage of the Clean Air Act on December 17, 1963, marked the first major federal effort in the United States to regulate air pollution—a shift that would profoundly reshape the automotive ...

The Clean Air Act (CAA) is now 55 years old—and shows its age. That's not a critique of its legacy. The law, in conjunction with innovation and private investment in environmental improvement, has ...

The sky turns a rusty orange. The sun dims behind a thick veil of smoke. For millions of Americans, even ones far from wildfire-prone lands, this eerie scene is no longer rare. Extreme wildfires have ...

Trump wants to roll back environmental protections at least to where they stood prior to the 1970 Clean Air Act. (Courtesy of the National Wildlife Federation) In March, Environmental Protection ...

When Congress passed the Clean Air Act in 1970, climate change wasn’t on anyone’s mind. Yet under an Obama-era decision known as the “Endangerment Finding,” the Environmental Protection Agency has ...

The Environmental Protection Agency on Tuesday unveiled a proposal to rescind the landmark legal opinion that underpins virtually all of its regulations to curb climate change. The move would end EPA ...

The Clean Air Act’s outdated framework is hindering progress. New bills aim to modernize it with reforms aligned to today’s economic, environmental, and scientific realities. The Clean Air Act (CAA) ...