David has represented clients in Superfund matters - particularly contaminated sediment and natural resource damage issues - that the government considers its most significant. In 2012, he acted as lead counsel for our client in two trials arising from the Lower Fox River and Green Bay Site, one on a Superfund contribution claim and one on the United States’ claim for a mandatory injunction.
David represents natural gas exploration and production companies, midstream providers, and landowner coalitions in connection with development of the Marcellus Shale and other natural gas resources. He regularly handles permit appeals and citizen suits under the water pollution, air pollution and solid waste laws. He has represented clients in litigation under the National Environmental Policy Act (NEPA) and several disputes among private parties following failed or unsatisfactory transactions.
David was one of the original appointments to the Pennsylvania Statewide Water Resources Committee, which is responsible for the State Water Plan. He has advised clients in water supply matters, and has appeared before water supply agencies such as the Delaware River Basin Commission.
David teaches Superfund, and Oil and Gas Law in rotation at the Temple Law School. He has taught Environmental Law, Climate Change and Land Use Law and Administration in the past, and he is a regular writer and speaker on the subjects.
•Air, water and waste regulation
•Superfund and contamination
•Oil and gas development
•Hon. Louis H. Pollak, U.S. District Court for the Eastern District of Pennsylvania
Recognition & Leadership
Awards & Accolades
•Listed, The Best Lawyers in America, Environmental Law; Litigation - Environmental; Water Law, 2006-2018
• Lawyer of the Year, Litigation - Environmental, Philadelphia, 2016
• Lawyer of the Year, Environmental Law, Philadelphia, 2015 and 2018
•Listed, Super Lawyers magazine, Pennsylvania Super Lawyers, 2004-2017
•Team Member, U.S. News - Best Lawyers , Best Law Firms Edition, Law Firm of the Year, Environmental Law, 2016
•Listed, Chambers USA Guide, 2003-2017
•Selected, National Law Journal magazine, Energy & Environmental Trailblazer, 2015
•Listed, The Legal 500 United States, Environment - Litigation, 2014-2017
•Listed, International Who's Who of Environmental Lawyers, All Editions
•Rated, AV Preeminent 5.0 out of 5
AV , AV Preeminent , Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies.
Professional & Community Involvement
•Adjunct Professor, Temple University James E. Beasley School of Law, Oil and Gas Law, Environmental Law, Superfund Litigation, Global Climate Change Law, 1990-Present
•Former Member, Delaware Valley Regional Planning Commission, 2007-2011
•Vice-Chair and Former Subcommittee Chair, Pennsylvania Statewide Water Resources Committee
•Member, American Bar Association, Section on Environment, Energy and Resources
•Past Chair, Special Committee on Smart Growth and Urban Policy
•Member, Annual Conference on Environmental Law Planning Committee, 2009
•Member, Maryland State Bar Association, Environmental Section
•Member, Pennsylvania Bar Association
•Past Chair, Environmental, Mineral, and Natural Resources Law Section
•Member, The Florida Bar Association, Environmental and Land Use Law Section
•Past President, Delaware Valley Environmental American Inn of Court
•Course Planner, Pennsylvania Environmental Law Forum