Mr. Cox counsels clients on environmental compliance and enforcement matters. He represents clients in cost recovery claims and private party litigation under Chapter 21E and CERCLA, as well as in administrative hearings and appeals.  He defends claims and actions brought by government environmental enforcement agencies. He also regularly advises clients on Brownfields development activities and on strategies to limit or shift environmental liability risks in connection with real estate or business transfers. He represents clients with respect to air, hazardous waste, solid waste and waste water matters before the United States Environmental Protection Agency, Massachusetts Department of Environmental Protection and local regulatory boards. Mr. Cox is a frequent speaker on environmental law and has authored many publications on current topics in the practice of environmental law. He is ranked among the top environmental lawyers in Massachusetts by Chambers USA, America’s Leading Lawyers for Business.  He was selected by his peers to be included among the Best Lawyers in America in 2006, 2007, 2008 and 2009.  Since 2004, he has been named a Massachusetts Super Lawyer by Boston Magazine and New England Super Lawyers Magazine. He was founding chair of the Environmental Law Section of the Worcester County Bar Association. Mr. Cox is active in various civic and professional organizations, including the Massachusetts Bar Association, Boston Bar Association, Worcester County Bar Association and MCLE, and in the Town of Rutland, where he served on the Zoning Board of Appeals for 15 years.

• Board Member, Environmental Business Council of New England
• Chair, City of Worcester, Mayor Konstantina B. Lukes' Brownfields Roundtable
• Co-Chair, Worcester County Conservation Initiative, Trust for Public Land
• Rutland Land Conservancy, Inc., Clerk
• Former Town Counsel, Oakham (1989-2004)
• Former Member and Chairman, Zoning Board of Appeals, Town of Rutland (1987-2002)
• Former Member and Vice Chairman, By-Law Study Subcommittee, Town of Rutland (1998-2002)
• Conservation Commission, Town of Webster (1985-1986)
• Former Chair, Environmental Law Section; Co-Chair, Bar Day Program 2003-2004; Former Member, Executive Committee, Worcester County Bar Association
• Former Member, Property Law Section Council, Massachusetts Bar Association
• Former Co-Chair, Clean Air Committee, Environmental Law Section, Boston Bar Association
• Former Member, MCLE Real Estate and Environmental Curriculum Advisory Committee
• Member (former Chair), Massachusetts Audubon Society, Worcester Advisory Board