“In revoking the endangerment finding, the Trump administration made the legal argument that the Clean Air Act allows the government to limit only pollution that causes direct harm to Americans, and only in cases where the damage is “near the source” of the pollution.”

Trump Repeals Key Greenhouse Gas Finding, Erasing EPA’s Power to Fight Climate Change

“First, it said the Clean Air Act applies only to “local” pollutants like soot and smog that cause more direct harm when people are exposed. It said the law does not apply to gases like carbon dioxide and methane that linger in the atmosphere and disperse across the globe.”

What to Know About the E.P.A.’s Big Attack on Climate Regulation