"An Introduction to Form-Based Zoning," for the Northampton Design Forum, Northampton, Massachusetts, January 2010;

"Land Use Planning For Improved Water Quality," at the Lake Ontario Coastal Initiative, Brockport, New York, August 2009;

"Form-Based Zoning," for Berkshire Regional Planning Commission, Lenox, Massachusetts, October 2008;

"Natural Resource Protection Zoning," at workshop sponsored by The Trustees of Reservations, Chesterfield, Massachusetts, March 2008;

"Land Use Regulation and Climate Change," at conference on "Climate Change, Agriculture, and Community Planning," sponsored by Glynwood Center, Cold Spring, NY, December 2007

"Creating Workforce Housing" and "Creating Traditional Neighborhood Districts," panelist at "Land Use Leadership Graduate Retreat" sponsored by Pace University, November 2006 in Hyde Park, NY

"Zoning and Other Land Use Techniques for Affordable Housing," panelist at conference on Workforce Housing sponsored by Pace University, November 2006 in Yonkers, NY

"Codifying New Urbanism: Transect Zoning," at annual conference of the New York Planning Federation; Saratoga Springs, New York, October 2005

"New Urbanist Codes," principal co-presenter at advanced training workshop for certified planners, sponsored by the American Institute of Certified Planners, July 2005 in Chicago and in September 2005 in Washington, DC

"Tools and Techniques for Farmland Protection," community training workshop for the "Keep Farming" program of the Glynwood Center, held in Chatham, NY, February 2005

"Overlay Zoning for Water Quality Protection," keynote address at workshop sponsored by the Canandaigua Lake Watershed Alliance, Canandaigua, New York, May 2004

"Cluster Development" workshop sponsored by four towns and several other organizations in Ulster County, New York, May 2004

"Splicing New Urbanism into Land Use Codes" at American Planning Association annual conference in Washington, DC, April 2004

"How to do Cluster Developments" at workshop sponsored by The Trustees of Reservations, Chesterfield, Massachusetts, March 2004

"Rural Zoning Solutions," at workshop sponsored by The Trustees of Reservations, Worthington, Massachusetts, March 2003

"Drafting New Urbanist Land Use Codes" at Congress for New Urbanism Council on Codes, Santa Fe, New Mexico, October 2002

"Visioning and Public Participation," at CT chapter of American Planning Association conference, Rocky Hill, Connecticut, June 2002

"Translating Design into Law," at Congress for the New Urbanism X, Miami Beach, Florida, June 2002

"Time for a Change in Massachusetts Zoning Statutes," at Annual Meeting of the Central Massachusetts Regional Planning Commission, June 2002

"What Should You Do in a Region That Is Mostly Unzoned?" at planning conference in Greenville, South Carolina, May 2002

"Applying New Urbanism to Palo Alto," at the Palo Alto Planning and Transportation Commission, Palo Alto, California, February 2002

"Setting the Stage for the Code: What the Code Should Include" and "State of the Art—Code Examples," at The Seaside Institute’s Seminar on Codes and Ordinances, Seaside, Florida, November 2001

"Design Standards and Illustrated Codes" and "Drafting and Updating Land Use Codes," at the New York Planning Federation Annual Institute; Saratoga Springs, New York, October 2001

"Cluster Development and Mixed-Use Villages" and "Open Space Preservation Techniques" at forums in North Stonington, Connecticut, October 2001

"Welcome Back to Massachusetts: An Outsider’s Perspective" at a forum on zoning reform in Massachusetts, sponsored by the state legislature’s Zoning Reform Working Group, Boston, Massachusetts, October 2001

"So You’ve Got the Money: Now What?" presentation on acquiring open space land to the Westchester Open Space Alliance, Mt. Kisco, New York, April, 2001

"Writing Land Use Regulations to Implement New Urbanism" at the Congress for the New Urbanism; Milwaukee, Wisconsin, June 1999.

"Protecting Blufflands through Planning and Zoning," a day-long seminar sponsored by the Blufflands Alliance; Dubuque, Iowa, February 1999.

Community-wide "Land Use Forum" for the Mid-Hudson Preservation Alliance; Pine Plains, New York, November 1998.

"How to Write Flexible Zoning Ordinances to Implement Master Plans" for New Designs for Growth (two presentations); Traverse City, Michigan, August 1998.

"Bridging the Gap Between Planning and Ordinances," for Urban Stormwater Management Workshops sponsored by North Carolina State University; New Bern and Raleigh, North Carolina, June 1998.

"Community Diagnostic Studies," at the American Planning Association’s annual conference; Boston, Massachusetts, April 1998.

"Maintaining Rural Character: Potential Roles and Methods for Planning Boards," sponsored by the Berkshire Regional Planning Commission; Lee, Massachusetts, March 1998.

"Protection of Important Open Spaces in Suburban Areas," for the McLean Open Space Alliance; Belmont, Massachusetts, February 1998.

"Rural Planning and Zoning," at a conference on new approaches to rural planning, sponsored by the Managing Change Coalition of Southwest Ohio; Springfield, Ohio, November 1997.

"Using Design Standards to Promote Good Community Design" and "Integrating Design and Preservation Reviews," at the New York Planning Federation Annual Institute; Saratoga Springs, New York, October 1997.

"Creating a Supportive Regulatory Environment for Downtown Revitalization," a day-long workshop sponsored by the Massachusetts Department of Housing and Community Development Downtown Revitalization Program; Shelburne Falls, Massachusetts, June 1997.

"Preserving Community Character," a training workshop sponsored by Citizen Planners Training Collaborative; Pittsfield, Massachusetts, April 1997.

"Basic Land Use Regulation" and "Techniques for Retaining Community Character and Preserving Open Space," guest lectures at the Conway School of Landscape Design; Conway, Massachusetts, 1992 through 2007

"Dealing with Social Conflicts over Land Use Decisions," at the Land Trust Alliance National Rally ‘96; South Burlington, Vermont, October 1996.

"Hamlet Planning," a series of four community forums on hamlet planning, zoning, preservation, and design for the Westchester Land Trust; Lewisboro, New York, October 1996.

"Improving Community and Site Design," "Design Guidelines in Local Zoning," "Design Guidelines for Appropri¬ate Development," "Improving Site Design," and "Community Planning Charrettes," at annual conferences of the New York Planning Federation; Ellenville, New York, October 1993 and October 1994, and Syracuse, New York, October 1996.

"New Directions in Rural Zoning," keynote address at the Utah Rural Summit; Cedar City, Utah, September 1996.

"Design for Land Conservation," a three-day workshop at the Conway School of Landscape Design; Conway, Massachusetts, August 1996.

"Improving Community Planning and Design—Practical Solutions for Real Places" and "Comprehensive and Strategic Planning—Case Study: Village of Chatham, New York," at the Capital District Region Planning and Zoning Institute; Albany, New York, June 1996.

"Gaining Better Design in Development and Redevelopment Projects," for the New York Planning Federation’s Training Institute and "Recreating Main Street: Implementing New Visions through Public Participation, Master Plans, and Design Guidelines," at the New York Main Street Alliance Manager’s Training Institute; Ithaca, New York, June 1996.

"Better Design in Project Review—How to Work with Applicants," for the Training School of the New York Association of Towns; New York, New York, February 1996.

"The Role of Land Trusts in Local Land Use Planning," keynote address at Wisconsin’s Land Trust Conference 1996; Wausau, Wisconsin, January 1996.

"Planning and Zoning for Land Trusts" and "Reaching a Broader Constituency in Exurbia," at the Land Trust Alliance National Rally ‘95; Pacific Grove, California, October 1995.

"Can Charleston be a Model for Regional Development?" Addlestone Lecture at the College of Charleston; Charleston, South Carolina, April 1995.

"Protecting Rural Character," at the Southern Beaufort Land Use Symposium; Bluffton, South Carolina, April 1995.

"Innovative Planning and Zoning to Protect Community Character and Encourage Appropriate Development," Annual Meeting of the Onondaga County Planning Federation; Syracuse, New York, November 1994.

"Dealing Pro-actively with Superstore Development," workshop sponsored by the Greene County Planning Department; Catskill, New York, November 1994.

"Planning and Zoning for Compact Growth," statewide satellite broadcast at Utah State University; Logan, Utah, March 1994.

"Comprehensive Planning," statewide satellite broadcast sponsored by New York Planning Federation and New York State Office for Rural Affairs; Albany, New York, March 1994.

"Community Planning Charrettes," Cornell University Dept. of Landscape Architecture; Ithaca, New York, October 1994.

"Conservation Easements," workshop for real estate professionals sponsored by the New Paltz Environmental Conservation Commission; New Paltz, New York, September 1994.

"Proactive Planning—Zoning Requirements of Megastores: How to Encourage or Discourage Megastore Development through Zoning and Comprehensive Plans," at workshop entitled Vital Main Streets and Megastores: Can Better Planning Allow for Both?; Syracuse, New York, July 1994.

"Watershed Management and Land Use Planning," presentation to Tri-County Lake Association; Skaneateles, New York, July 1994.