Environmental laws reflect the relationship between law and society and its implications for public health and economy. This article aims to make the central themes and findings from the empirical study of environmental law accessible to legal scholars and social scientists across all fields. It begins with an overview of the making and design of environmental law, thereafter discussing environmental law enforcement, which can be framed as a choice between cooperation and legalism. Environmental law responds to individual and organizational behavior that results in harm to other people or the environment. Empirical research examines the causal connection between environmental law and changes in environmental outcomes and economic costs. The...