Nathan Richardson is an attorney and has been a researcher at RFF since 2009, specializing in environmental law and economics. His research has examined environmental liability, environmental federalism, and the relationship between law, regulatory institutions, and policy design. He has published research on law and policy related to climate change, including EPA regulation of greenhouse gas emissions under the Clean Air Act. Other research areas include regulation and liability rules related to oil and gas development. Richardson is also managing editor of RFF’s environmental policy and economics blog, Common Resources.