Marianne Lavelle is an investigative reporter for The Center for Public Integrity, a nonprofit, nonpartisan, digital news organization specializing in investigative journalism and research on public policy issues. Her most recent report for the Center is "The Climate Change Lobby." Lavelle joined the Center last year to report on energy, the environment, and climate change, bringing two decades of experience covering Washington, D.C. She previously worked for U.S. News and World Report and The National Law Journal and has received numerous journalistic honors, including the George Polk Award and the Investigative Reporters and Editors Award.