Numerous cities, states, and counties have sued fossil fuel companies, with claims based on evidence found in the companies’ own internal documents and statements. These companies have argued their public statements are protected by the First Amendment’s freedom of speech and right to petition clauses. This Article describes the current litigation, discusses the companies’ statements disseminated through various sources, and summarizes U.S. Supreme Court precedent and caselaw on commercial speech.

The Inflation Reduction Act (IRA) of 2022 added seven new sections to the Clean Air Act (CAA) and provided the U.S. Environmental Protection Agency (EPA) with substantial new authorities and resources. This Article examines these new amendments and the EPA-related provisions of the IRA, and explains the major implications of this historic legislation.