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Lou has been active in the area of environmental law since 1975. His practice includes litigation, environmental counseling and due diligence, including brownfields development. He has extensive litigation experience in permitting and compliance/enforcement proceedings and has represented clients in civil enforcement and criminal investigation proceedings.

Awards & Recognition

  • Listed in The Best Lawyers in America (since 1993) and is currently included in the areas of Environmental Law and Litigation–Environmental
  • Recognized in Chambers USA as one of America's leading environmental lawyers (2003-present)
  • Selected for inclusion in Pennsylvania Super Lawyers (2004-2015); also included in Super Lawyers Business Edition in the area of Environmental Law


  • Georgetown University Law Center, 1975, J.D.
  • Williams College, 1972, B.A., Phi Beta Kappa

  • New York
  • Pennsylvania
  • Illinois

  • U.S. Supreme Court
  • U.S. Court of Appeals - Third Circuit
  • U.S. District Court - Eastern District of Pennsylvania
  • U.S. District Court - Middle District of Pennsylvania
  • U.S. District Court - Western District of Pennsylvania
  • U.S. District Court - Western District of New York

  • Pennsylvania Bar Association – Member of Section on Environmental, Mineral and Natural Resources Law