2026 EVENTS
The 2026 Regional Grey to Green Conferences will explore the most recent green infrastructure science, economic valuation, asset management, public policy, technologies, and best practices in design, installation and maintenance. Our goal is to help inform the current policy debate by making the case for a rapid and significant increase in green infrastructure investment, a trend thatʼs now occurring worldwide.
Chicago, IL: June 12, Grey to Green Conference
Costa Mesa, CA: September 14, Grey to Green Conference
The Green Roof Installation and Maintenance Professional (GRIMP) Training and Accreditation is a new certification involves a combination of hands-on and presentation style training. It introduces attendees to the basic skills and knowledge required to install green roofs and maintain them. This training provides participants with a grounding in this information, covering a variety of green roof systems, to provide green roof installers and maintenance professionals with the information, techniques, and training necessary to successfully install and maintain basic extensive green roofs.
2026 GRIMP Training and Accreditation Dates:
Chicago: June 11
Denver: July 15
Toronto: August 21
New York City: September 30
Join GRHC at an Event!
You’re invited to the 20th CitiesAlive Conference on September 30 to October 3 in Brooklyn, New York City to help to advance the green roofs and green wall industry. As one of the world’s most influential hubs for sustainability, policy, architecture, and design, New York City is the ideal place to gather, learn, and celebrate the future of living architecture. Register by June 30, 2026 and save $100!
What can you expect? Over 400 attendees, networking opportunities, trade shows, trainings, tours, and more.
Marketing and Promotional Opportunities at CitiesAlive 2026
CitiesAlive 2026 offers a unique set of marketing opportunities for you. CitiesAlive 2026 will attract attendees from NYC and across North America, with an estimated attendee count of 400+. CitiesAlive will also provide you with significant logo exposure through our marketing and our partners. Custom sponsorship packages are available!
For more information, contact Eric Durnford, General Manager at GRHC - edurnford@greenroofs.org