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Biography

Mr. Warren has been practicing environmental law for more than 25 years.  He counsels clients on environmental compliance, permitting, environmental aspects of real estate and corporate transactions, site remediations, sustainability and climate change and alternative energy issues.  He has handled numerous enforcement actions, citizen suits, insurance recovery cases, appeals of agency decisions, toxic tort actions and other environmental cases in courts and tribunals throughout the United States.  He practices extensively in the field of water resources, including wastewater and stormwater permitting, development of water quality standards and total maximum daily loads and water supply and water allocation matters. 

Mr. Warren is listed in the leading national and international guides of lawyers for environmental law.  He served as chair of the American Bar Association’s Section of Environment, Energy, and Resources in the Bar Year 2003-2004 during which he led the Section’s 10,000 lawyers.  Mr. Warren writes a regular column for The Legal Intelligencer on environmental law and is the author of numerous articles on environmental issues.  He is the author of a chapter in The Law of Environmental Justice.  Mr. Warren is a frequent speaker on environmental matters before sections of the American Bar Association and other groups. 

Mr. Warren was appointed by the U.S. Environmental Protection Agency Administrator to serve as an industry stakeholder representative on EPA’s National Environmental Justice Advisory Council.  He served on the Council from 2000-2006.  He also serves as general counsel to the Delaware River Basin Commission, a federal interstate agency managing the water resources of the Delaware River Basin.

Education

University of Pennsylvania Law School, Philadelphia, Pennsylvania, 1979
J.D.
magna cum laude
Order of the Coif

Brown University, Providence, Rhode Island, 1975
B.A. History, with Honors
magna cum laude

Clerkship

The Honorable Joseph L. McGlynn, Jr., United States District Court for the Eastern District of Pennsylvania (1979-1980)

Honors and Awards

University of Pennsylvania Law School:
  Law Review
  Order of the Coif
  Trial Association Award
  Keedy Cup Moot Court Winning Team
  Phi Beta Kappa
Who’s Who Legal (Environmental Law)
ChambersUSA America’s Leading Lawyers for Business
Best Lawyers in America

Publications

Author of a regular column in The Legal Intelligencer on environmental law
Author of a Chapter in The Law of Environmental Justice
Author of numerous environmental program materials for the American Bar Association and the Pennsylvania Bar Association

Professional Associations and Memberships

American Bar Association, Member, Standing Committee on Environmental Law
American Bar Association, Past Chair, Section of Environment, Energy, and Resources
Pennsylvania Bar Association
Delaware Valley Environmental Inn of Court

Community

Board of Trustees, The Academy of Natural Sciences

Bar Admissions

Pennsylvania, 1979