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About Us

Advocates for environmental law and process for a better environmental future

The American College of Environmental Lawyers (ACOEL) is a professional association of distinguished lawyers who practice in the field of environmental law. Membership is by invitation and members are recognized by their peers as preeminent in their field.

ACOEL members are dedicated to maintaining and improving the ethical practice of environmental law, the administration of justice, and the development of environmental law through rigorous focus, outreach and education in all forums — federal, state, municipal, tribal and international.

ACOEL members value collegiality, balanced and objective perspective, integrity and rigor in expertise, and making unique ACOEL contributions through their engagement and educational efforts.

ACOEL Officers

Kenneth J. Warren, founding member of Warren Environmental Counsel LLC, practices environmental law with a concentration in water law including water quality, water resources, and interstate commissions. He served as Chair of the ABA Section of Environment, Energy and Resources in Bar Year 2003-2004. Ken was appointed by former EPA Administrator Christine Whitman as an industry representative on EPA's National Environmental Justice Advisory Council and served in that capacity from 2000-2006. His practice involves representing private and government clients with respect to a broad range of environmental statutes and subjects. Ken can be reached at
Kevin Murray is a partner at Holland & Hart’s Salt Lake City office. His practice focuses on managing environmental liabilities, repurposing real estate assets, and creating value through property remediation and planning. He is known for his strategic approach to crafting innovative solutions that deliver maximum value for clients ranging from the largest international corporations to individual landowners. He brings innovative and unique resolutions to complex contamination issues, especially involving multi-jurisdictional and multi-agency matters (particularly EPA and NRC), in the real estate, mining, energy, petroleum, nuclear, and manufacturing industries. Kevin can be reached at
Mary Ellen Ternes is a partner at Earth and Water Law, LLC. After an initial career as a chemical engineer in environmental incident response and remediation, air and waste chemical process permitting and compliance, she became an environmental lawyer serving as strategic compliance and enforcement defense counsel in permitting, enforcement and other actions involving air and water pollution, drinking water safety, incident response, waste management and Superfund actions before state and federal agencies and courts, and where compliance and pollution issues arise in transactions and development. She can be reached at
Michael Hockley is a partner in the Environmental and Energy Law practice of Spencer Fane LLP. Mikes practice concentrates on litigation, environmental law, and renewable energy, with an emphasis on environmental litigation, permitting, and enforcement proceedings. In addition to representing individual clients in hazardous waste, Clean Air Act, and multi-media enforcement and permitting proceedings, he has chaired and served as group counsel for Superfund site steering committees and served as a mediator in complex multi-party litigation. Mike also serves as the Civilian Aide to the Secretary of the Army for Kansas (East). He can be reached at
Ms. Cagle, now Senior Counsel with Baker Botts, has practiced environmental law for more than 40 years, and over that period, counseled clients on virtually every kind of environmental matter, representing them before various federal and state agencies and in federal and state courts. Molly also has testified before committees of both the United States Congress and the Texas Legislature. In the last decade, she focused on counseling and litigation related to water, such as water rights disputes, endangered species matters, NPDES permits, and OPA and CERCLA Natural Resource Damage claims and penalties. Molly can be reached

Past ACOEL Officers

Message from the President

ACOEL Board of Regents

Bylaws of the College