Phi Alpha Delta. Little Patch of Heaven presented to the 22nd Annual Texas Environmental Superconference, August 4, 2010; Barnett Shale Air Quality Monitoring: Legal Issues and Strategies presented to the Providence Engineering Symposium, April 16, 2010; Air Permitting and Enforcement of Barnett Shale Operations presented to the Fort Worth Business Press Breakfast Symposium, October 29, 2009; Starting a Clean Air Program presented to the North Texas Clean Air Coalition seminar, September 10, 2009; DFW Business Risks and Rewards presented to Operation Clean Air, July 23, 2009; Municipal Setting Designations: Allocation and Resolution of Environmental Risk in Real Property Transactions presented to the State Bar of Texas 31st Annual Advanced Real Estate Law Course, July 10, 2009; The Local Role in DFW SIP Development presented to the Air and Waste Management Association, DFW Chapter, October 22, 2008; The Role of DFW Employers in Developing Clean Air Solutions presented to the NTCAC Business Outreach Luncheon, September 4, 2008; Carbon and Climate Change, Faculty Member, University of Texas Law School, April 24-25, 2008; Environmentally Impaired Real Property: Getting the Deal Closed, presented to the Dallas Bar Association Real Property Section, December 2007; Resolution of Environmental Impediments in the Real Estate Transactional Context, presented to the Houston Real Estate Lawyers' Council, October 9, 2007; Environmentally Impaired Real Property: Getting the Deal Closed, presented to the 41st Annual William W. Gibson, Jr. Mortgage Lending Institute, September 20-21, 2007 and October 11-12, 2007; Advisory Board, Environmental Protection Magazine; Environmentally Impaired Real Property: Getting the Deal Closed; Shifting Environmental Sands: Cooper Industries, Inc. v. Aviall Services, Inc. and Texas Municipal Setting Designations, presented to the 39th Annual William W. Gibson, Jr. Mortgage Lending Institute, September 8-9, 2005 and October 6-7, 2005; Allocation of Transactional Environmental Risk: Contractual Provisions, presented to the 16th Annual Advanced Real Estate Drafting Course, March 10-11, 2005; Getting the Deal Done: The Environmental Perspective, presented to the 38th Annual William W. Gibson, Jr. Mortgage Lending Institute, September 9-10, 2004 and to the Dallas Bar Association Real Property Section, November 8, 2004; Educating North Texans: The Air Quality Problem and Its Solutions, presented to the 6th Annual Texas Transportation Summit, August 15, 2003; Commute Solutions Month press conference presented on behalf of North Texas Clean Air Coalition, August 1, 2003; The Clean Air Challenge, Ft. Worth Business Press, August 1, 2003; 2003 Air Pollution Awareness, DART Board of Trustees, presented June 24, 2003; Try Parking It: Ozone Season is Upon Us, presented at Earthfest 2003, April 25, 2003; Clearing the Air on DFW Air Quality: Regulatory, Engineering and Practical Considerations, Texas Society of Professional Engineers, April 15, 2003; The Shifting Sands of NSR: Good News or Bad for the Texas Power Industry?, presented to The Dallas Electric Club, January 17, 2003; Environmental Law From a Business Perspective. Adjunct Lecturer, Cox School of Business, MBA Program, Southern Methodist University, October 30, 2002; Air Quality in the Metroplex, The Economic Development Role of the North Texas Clean Air Coalition, May 24, 2002. Board Member, 1998-2004, 2008— and Chair, 2003, North Texas Clean Air Coalition;. Board Member, North Texas Clean Air Steering Committee, 2003—. Board Member, Trinity Commons Foundation, 2006—.