Bart Kempf has a diverse practice involving litigation, agency proceedings, enforcement actions, citizen suits, compliance and legislative counseling, and transactional matters concerning a broad range of environmental, land use, and natural resources law. He has worked on national, state, and local issues related to federal statutes and their state counterparts, including the Clean Water Act, the Clean Air Act, CERCLA, RCRA, FIFRA, the Endangered Species Act, and the National Environmental Policy Act. He regularly represents clients in matters involving federal and state agencies, including the U.S. Environmental Protection Agency, the U.S. Army Corps of Engineers, and the U.S. Department of the Interior. Bart has represented clients ranging from large multinational corporations to startups in a broad array of industries, including private equity, banking, oil and gas, waste services, renewables and clean tech, utility, real estate, manufacturing, chemical, pesticide, seed, and many more.

For nearly a decade, Bart practiced environmental, land use, and natural resources law in Washington, D.C. From 2011 until 2016, Bart was a member of the Environment, Land, and Resources Department at Latham & Watkins. He also served as senior counsel on the staff of the U.S. Senate Committee on Agriculture, Nutrition and Forestry, where he worked on environmental, energy, food safety, antitrust, nominations, and civil rights issues. Before working in the U.S. Senate, Bart handled litigation and environmental matters in the Washington, D.C., office of Beveridge & Diamond. During law school, Bart interned in the Office of U.S. Senator Blanche Lincoln, the U.S. Department of Justice, Consumer Protection Branch, and the Urban Land Institute.