This document provides an overview of criminal provisions under federal environmental law. It discusses the history of environmental regulation in the United States, which began in 1899 in response to industrial pollution but saw greater development due to events like the Donora smog in 1948. The document outlines key statutes like the Clean Air Act, Clean Water Act, and RCRA. It also discusses concepts like the public welfare offense doctrine, which allows for strict liability for environmental crimes. Enforcement data on cases, fines, and incarceration from 2004-2010 is presented. The role of state and local agencies in enforcing federal law is noted.