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The State of Green Roofs in NYC 2019

  • Jacob K. Javits Convention Center 429 11th Avenue New York, NY, 1001 United States (map)


Join the Green Roof Researchers Alliance in a day of discussions, workshops, and green roof visits! Learn about green roof biodiversity, environmental benefits, and NYC policy. Meet leading green roof scientists and educators and learn about new scientific discoveries, curriculum, and tax incentives.

Highlights of the conference include panel discussions at the end of each session, workshops on the Javits green roof, and a panel featuring the Office of the NYC Comptroller, the Mayors Office of Sustainability, and NY Assemblywoman Nily Rozic!

This conference is designed to engage everyone, from the general public to industry specialists, architects, and scientists. Breakfast, lunch, networking reception, and workshops are included in the price of admission. Space is limited for “On the Roof” workshops - pre-registration is required by September 20th (see below to register for workshops).

To be held September 27, 2019 at the Jacob K. Javits Convention Center.

General Admission: $30

Student Admission: $15

Please contact Dustin R. Partridge with questions (


07:00 – 08:00 Early Bird Workshop

On the roof: guided walking tour of the High Line (pre-registration required)

08:00 – 08:30 Check-in and Breakfast

08:30 – 09:30 Keynote Speakers

Rick Cotton, Executive Director PANYNJ

Penny Abeywardena, NYC Commissioner of International Affairs

Mark Chambers, Director NYC Mayor's Office of Sustainability

09:40 – 09:45 Welcome

09:45 – 10:45 Mapping and Modeling Green Roof Benefits

Mike Treglia, The Nature Conservancy - Characterizing green roofs in NYC: where are they, where they are the most needed, and where is there potential for more

Rositsa Ilieva, The New School/CUNY - Social equity and green roofs in NYC

Pablo Herreros Cantis, The New School - Mapping the benefits of green roofs in NYC

Panel discussion - Moderated by Timon McPhearson, The New School

11:00 – 11:50 Biodiversity of Green Roofs

Jessica Hoch, Natural Areas Conservancy - The microbiome of green roofs

Jason Aloisio, Wildlife Conservation Society - NYC green roof plant ecology: short and long-term perspectives

Dustin Partridge, NYC Audubon/Fordham University - Bugs, birds, and bats: wildlife interactions on green roofs

Panel discussion - Moderated by Susan Elbin, NYC Audubon

11:50 – 12:00 Stuart Gaffin Memorial

12:00 – 01:00 Lunch and Posters

01:00 – 02:05 Environmental Benefits of Green Roofs

Katherine Zidar, Bita Alizadehtazi, Franco Montalto, Drexel University and Joe Cataldo, Cooper Union - Irrigating green roofs to maximize thermal benefits

Franco Montalto, Drexel University - Green roof stormwater capture

Melissa Enoch, NYC Department of Environmental Protection and Tyler Carson, Arcadis - Green roofs and stormwater policy

Panel discussion -Moderated by Carter Craft, Consulate General of the Kingdom of the Netherlands

02:20 – 03:20 NYC Green Roof Policy Panel Discussion

Nily Rozic, New York State Assembly

Nate Kimball, Mayors Office of Sustainability

Danielle Spiegel-Feld, NYU Law Guarini Center

Moderator: Emily Maxwell, The Nature Conservancy

03:25 – 03:35 Website Unveiling and Closing Remarks

03:40 – 04:30 Workshops (Registration required by 9/20 for “On the Roof” workshops)

TBD: Small business workshop

On the roof: Sampling green roof insects and an introduction to identification (NYC Audubon) Pre-registration required

Green roofs as outdoor classrooms (Vicki Sando, PS41)

On the roof: Environmental monitoring methods (Franco Montalto, Drexel University) Pre-registration required

04:30 – 05:00 Hor d'oeuvres and Networking