Mary Ellen Ternes

Mary Ellen Ternes is an environmental attorney and shareholder with McAfee & Taft, PC in Oklahoma City, Oklahoma.  A former chemical engineer with the U.S. EPA and then private industry, specializing in air pollution control strategies for combustion sources, source testing, permitting and compliance, emergency response and site remediation, Ms.Ternes has over 25 years of technical, regulatory and legal experience. Ms. Ternes counsels oil and gas exploration and development clients regarding air permitting, compliance and enforcement, as well as greenhouse gas reporting, Clean Air Act citizen suits and common law litigation.

Ms. Ternes serves as Chair of AICHE's Chemical Engineering and the Law Forum, Co-Chair of the American Bar Association's Climate Change, Sustainable Development and Ecosystems Committee and Vice Chair of the ABA's Air Quality Committee. Ms. Ternes is a Fellow of the American College of Environmental Lawyers.  She received her J.D. with high honors, University of Arkansas at Little Rock School of Law, and B.E. in Chemical Engineering from Vanderbilt University, and is admitted to the bars of the States of Arkansas, Oklahoma and South Carolina, as well as the District of Columbia.