Make Better Infrastructure Decisions

Senior levels of government continue to overlook the many benefits of investing in living green infrastructure such as urban forests, green roofs and walls when making infrastructure decisions. Join us to shape a healthier and more resilient future with green infrastructure.

Explore the latest in performance, economic valuation, design, policy, and technology from Canada, the US, and worldwide. This interdisciplinary conference is the leading forum for designers, policy makers, manufacturers, growers, landscapers, and other green infrastructure professionals to discuss the benefits and growth of the green infrastructure industry.

Grey to Green also includes a trade show, cutting-edge workshops which include tours of outstanding Toronto projects, and exceptional networking events. This year, be one of the first to learn about the City of Toronto's new Green Streets Guideline and the Province of Ontario's new Stormwater Design Guidelines.


Monday, May 8
Ryerson University, 55 Dundas St W, Toronto
6:30pm - 8:30pm
Opening Plenary (FREE Public Event) Keynote & Panel
Green Infrastructure for a Resilient City


Jennifer Keesmaat, Chief Planner, City of Toronto
Deborah Martin-Downs, CAO, Credit Valley Conservation
Steven Peck, President, Green Roofs for Healthy Cities

Scott Torrance, Practice Leader, Scott Torrance Landscape Architect
Pegeen Walsh, Executive Director, Ontario Public Health Association & Co-chair, Eco Health Ontario


Tuesday, May 9
Chestnut Conference Centre, 89 Chestnut St, Toronto
8:00am - 8:30pm
Keynotes, Technical Sessions, Trade Show, Evening Reception
Student Delegate Passes start at $99
Delegate Passes, with Lunch and Evening Reception, start at $249
Exhibitor Opportunities start at $1,150

Wednesday, May 10
Various Locations & Start Times
Training Workshops and Tours

Members of Green Roofs for Healthy Cities save $25 on a Delegate Pass and $200 on a booth!

Grey to Green Keynotes Include

Tony DiGiovanni Executive Director, Landscape Ontario How Investing in Green Infrastructure Creates Jobs

Tony DiGiovanni
Executive Director, Landscape Ontario

How Investing in Green Infrastructure Creates Jobs

Signe Nielsen Principal, Mathews Nielsen Landscape Architects, P.C. The Lowline Underground Park in New York City

Signe Nielsen
Principal, Mathews Nielsen Landscape Architects, P.C.

The Lowline Underground Park in New York City

Herbert Dreiseitl Director, Ramboll Liveable Cities Lab Shaping Liveable Cities - The Art to Integrate Blue, Green and Social

Herbert Dreiseitl
Director, Ramboll Liveable Cities Lab

Shaping Liveable Cities - The Art to Integrate Blue, Green and Social

Jennifer Keesmaat Chief Planner, City of Toronto Green Infrastructure for a Resilient City

Jennifer Keesmaat
Chief Planner, City of Toronto

Green Infrastructure for a Resilient City

What's New for Grey to Green 2017

Free Opening Plenary Event: For the first time, Grey to Green will kick-off with a FREE public event featuring Jennifer Keesmaat, Chief Planner with the City of Toronto.

Broader Theme: Attendees want the Grey to Green Conference to comprehensively explore a range of green infrastructure topics. This year, the agenda includes speakers on health, food production, economic valuation, new policies focused on stormwater, new design guidelines and award winning projects, under the theme: Quantifying Green Infrastructure Performance.  The last day of the conference combines training of your choice and complimentary tours. 

New Location: The Chestnut Conference Centre is conveniently located in Downtown Toronto and will provide an improved exhibitor and attendee experience.

Green Infrastructure Charrette: A one-day Green Infrastructure Design Charrette where multi-disciplinary volunteers are tasked to redesign specific neighbourhoods in need, with 15 generic types of green infrastructure as their tools. The Charrette is being delivered by the Green Infrastructure Foundation in partnership with the Ontario Parks Association and funded by the Ontario Trillium Foundation.

Greener Conference: We are committed to making Grey to Green a sustainable event by reducing waste while providing a memorable experience for our attendees.

“The Grey to Green conference is a fixture in my timetable because the program delivers world-class speakers on an emerging economy that should have a higher profile given its economic, social and environmental benefits. The conference is a great energizer for the believers.”
— Neil McKeown, Gro-Bark Ltd


This year Grey to Green features five unique workshops and training courses, giving you the opportunity to customize your conference experience. Some training courses include a rooftop tour. 


Top this unforgettable experience off with an evening of networking with new and old colleagues. Mingle with experts and take advantage of having local experts at hand. 


Located in the heart of downtown Toronto, the Chestnut Conference Centre will serve as the heart of Grey to Green 2017. This location is easy and convenient for attendees and exhibitors alike.

Grey to Green 2017 is proudly presented by:


Grey to Green is made possible through the generous support of these sponsors and partners.

This year, Grey to Green brings you a line-up of more than 50 thought-provoking and inspirational speakers on a variety of green infrastructure topics. 


May 8, join us for a FREE public keynote and panel discussion presented by the City of Toronto's Chief Planner, Jennifer Keesmaat from 6:30 - 8:00pm at Ryerson University's Ted Rogers School of Management.

May 9, along with a trade show, morning and afternoon keynote speakers and an evening networking reception, take your pick from three programming blocks of up to four concurrent sessions each, covering a wide range of green infrastructure and low impact development topics from leading experts.


Grey to Green Workshops provide comprehensive training courses paired with exclusive hands-on tours.


Monday, May 8

  • Integrated Water Management for Buildings and Sites.
    • Instructor: Jeffrey Bruce, GRP, FASLA, ASIC, LEED, Principal, Jeffrey L. Bruce & Company

Wednesday, May 10

  • Green Walls 101: Systems Overview & Design
    • Instructor: Brad Bass, PhD, Adjunct Professor, School of the Environment, University of Toronto 
  • Introduction to Urban Agriculture
    • Instructor: Arlene Throness, Urban Farm Manager, Ryerson Urban Farm; Jayne Miles, Urban Farm Programs Coordinator, Ryerson Urban Farm
  • Lighting for Indoor Vegetable and Medicinal Crop Production and Living Walls
    • Instructor: Youbin Zheng, PhD., Associate Professor. School of Environmental Sciences, University of Guelph
    • Instructor: David Llewellyn, Senior Research Associate, School of Environmental Sciences, University of Guelph
  • Low Impact Development led by Credit Valley Conservation Authority
    • Instructor: Kyle Vander Linden, Water Resources Specialist, Credit Valley Conservation

Separate registration is required for each Workshop and most include an interactive tour. 


Grey to Green Evening Reception


May 9. Mingle with international and local Green Infrastructure experts and catch up with colleagues at the Grey to Green Evening Reception from 6:30pm - 8:30pm.

Join us in the Colony Ballroom (2nd floor) at the Chestnut Residence & Conference Centre. Tickets are included with every conference registration. A la carte registration is available for $49.


Chestnut Conference Centre

89 Chestnut Street

Toronto, Ontario

M5G 1R1


Conference-Ready Venue

The Grey To Green Conference is moving to a location that is perfectly suited for keynote speaker presentations, intimate breakout sessions, and comfortable trade show.

Located adjacent to Toronto's Yonge-Dundas Square and directly north of the City’s Financial District, the Chestnut Conference Centre is in the heart of the downtown core. This location is easy for attendees to get to, and easy for exhibitors to get in and out of.

Direction From Subway

Chestnut Residence & Conference Centre, University of Toronto is located south of Dundas Street on the east side of Chestnut Street. The closest subway station is St. Patrick Station on Line 1 (Yonge-University Line). From St. Patrick Station, walk east on Dundas Street, and Chestnut is at the 1st set of lights east of University Avenue.

 Time: 2 – 5 minute walk.


Daily rates are offered at  the Chestnut Residence underground parking garage. There is an attendant on duty 24 hours a day, and security staff patrol the garage on a regular basis. There is elevator access from the garage to all levels of the Chestnut Centre. Parking is $3.50 per half-hour, up to a daily maximum of $19 before 7:00pm.

The entrance to the parking garage is located on the North-West corner of the building, on the East side of Chestnut Street.

More information, please refer to the Chestnut Resident and Conference Centre website.

Other Venues

  • May 8, 2017 – 6:30–8:00pm, Opening Plenary (Public Event), Ryerson University, 55 Dundas St
  • May 9, 2017 – Keynote, Sessions, Trade Show, Evening Reception - Chestnut Centre, 89 Chestnut St
  • May 10, 2017 – Training Workshops (with Tours), Various Locations

To enhance the five different workshops on May 10, Grey To Green will host these sessions at sites that are fitting for each topic. Locations to be announced.