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Janessa M. Glenn

Janessa Glenn is counsel at the firm's Austin office where she concentrates her practice on M&A environmental due diligence, environmental regulatory issues, and a variety of administrative law issues. Her current practice particularly focuses on the environmental aspects of the acquisition and development of large-scale alternative energy projects. Janessa practices both before state agencies, including contested case proceedings, and in state court related judicial review of agency decisions. She frequently represents clients in Superfund cost recovery matters, both state and federal. Recently, Janessa's practice has included LNG air permitting in Texas.

Prior to joining the firm, Janessa was a partner at an Austin law firm. She served as briefing attorney to the Honorable Justice Woodie Jones, Third Court of Appeals for the State of Texas, during the 1998-1999 term.

  • Recognized by Chambers USA for Environment in Texas, 2021-2024
  • Listed in Best Lawyers in America® for Environmental Law, 2020-2023
  • Rated AV-Preeminent
  • Industry Council on the Environment (Former Legal Counsel; Former Board Member)
  • Girl Scouts of Central Texas (Oak Hill Service Unit Director; Chair of Forms Committee)
  • “Environmental Policy Under the Trump Administration: Legal Mechanisms for Change,” The Texas Women in Energy Conference, Spring 2017 
  •  “Implementation of Environmental Change under the Trump Administration,” January 2017
  • “A New Day Dawning for CERCLA Liability,” Industry Council on the Environment, 2010
  • “Water Law in Texas,” LBJ School, University of Texas, 2006
  • “Challenging the HGA SIP Rules: Litigation Thoughts, Strategies, and Potential Impact,” Clean Air Solutions for NOx Reduction Seminar, Houston, January 2001
  • St. Mary’s University School of Law (Freshlaw Program, 1995/1996)
Additional Thought Leadership Pages
  • Essentials of Texas Water Resources, Chapter Co-Author, Water Availability Certification for Development, State Bar of Texas, 2009 (First Edition) and 2012 (Second Edition)
  • The Howmet Decision: Spent Materials Under RCRA, EM, Air and Waste Management Association’s Magazine for Environmental Managers, 2011
  • A New Day Dawning for CERCLA Liability, Industry Council on the Environment, 2010
  • “Case Update,” Travis County Bar Appellate Law Section, October 2000
Additional News & Event Pages
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