1. Sept 2015 PDC Presentation by Dr. Sunil Kumar, Principal Environmental Engineer
    at MWCOG, on Metropolitan Washington, DC-MD-VA Air Quality Status 2015
  2. Feb 2016 PDC Presentation by Laura Grape, Overview of Northern Virginia Soil and Conservation 2015 Projects
  3. Sept 2016 PDC Presentation byMeaghan Kiefer & Regina Coyle
    Fairfax County Government on  Land Development Services
  4. May 2017 VDOT presentation on I-66 Outside the Beltway
  5. September 2017 presentation on modernization of Fairfax County zoning ordinance
  6. November 2017 presentation on Tysons, by the Director of Programs and Partnerships, Tysons Partnership