may, 2021

20may7:00 pm8:30 pmConservation Café: Cooling our Cities with Real Cool Green Roofs!

Event Details

Join ANS for a virtual evening with William Pegues as we explore the environmental benefits of vegetated “green” roofs. We will talk about:

  • How putting vegetation on a roof can address several climate crisis impacts
  • Local examples of successful green roofs
  • Small scale applications many can do
  • Groceries on the roof
  • And how you can advocate for these in your community!

There will be plenty of time for audience questions, too!


William Pegues graduated from the University of Tennessee with a degree in Architecture and is currently a Certified Construction Specifier and Fellow of the Construction Specifications Institute. His career in architectural specifications and materials research spans 43 years, with 37 of those years with WDG Architecture in Washington, DC. He’s worked on more than 300 projects locally and ranging as far south as Florida, north to New York and Michigan, and west to Texas. He currently serves on Fairfax County’s Reston Planning and Zoning Committee, is a member of Reston’s Environmental Advisory Committee, and recently completed Fairfax County’s Master Gardener training. He also wrote the content for Plant NOVA Natives’ page on vegetated roofs and walls:


In an effort to bring more functionality to registering for conservation events, we are experimenting this Spring with using our adult program registration system. Please note your log-in credentials from Action Network will not work in the new system. Unless you have already signed up for a previous class such as a Naturalist Hour or a field trip, you will have to create a new account. We appreciate your patience! If you have any questions please email


(Thursday) 7:00 pm - 8:30 pm