We Are North America’s Industry Association For Green Roofs and Green Walls
Green Roofs for Healthy Cities (GRHC) develops and protects the market by increasing the awareness of the economic, social, and environmental benefits of green roofs, green walls, and other forms of living architecture through education, advocacy, professional development, and celebrations of excellence.
Join GRHC at an Event!
GRHC provides online training through the Living Architecture Academy, publishes the quarterly Living Architecture Monitor Magazine, runs in-person and online conferences and events, advocates for supportive green roof and wall policy, provides resources to our members, celebrates outstanding projects, and more.
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.
Costa Mesa, CA: December 3, Grey to Green Conference
Living Architecture Academy
GRHC’s online training platform, offering self-paced online courses taught by industry experts.
Green Roof Professional Training and Accreditation Package
Gain expertise in green roofing with the GRP Training program, covering design, installation, and maintenance in a self-paced online format with lifetime access.
Biophilic Design: Science, Theory, Economics & Practice
Using case studies of best practice in planning and urban design, this course covers the main tenets of biophilia, as well as the 14 patterns of biophilic design as a tool.
Introduction to Green Walls: Systems, Design, and Approach
Explore sustainable site and land use strategies with David Yocca's introductory course on green walls. This online program is perfect for beginners in ecological planning.
Living Architecture Monitor
GRHC’s free, online, quarterly publication, now in its 24th year.
Highlights from the 2026 Fall Biophilic Design Issue:
Fractal Fluency: Engineering Stress Reduction Through Natural Geometries in the Built Environment
Explore how fractal fluency and natural geometries can reduce stress and support healthier built environments through biophilic design.
2026’s Top 10 Hot Trends in Living Green Architecture explores how biophilic design connects nature, happiness, health, and climate resilience through innovative projects worldwide.
Satoyama: Living Walls, Green Roofs, and the Ancient Philosophy Reshaping Japan's Cities
Explore global green roof cost-benefit studies. Learn how factors like lifecycle costs, public benefits, and policy incentives shape the true economic value of green roofs.
Explore Our Ecosystem: Policies, Membership, Awards, and More
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GRHC is supported by its members. Become a corporate or individual member and gain access to resources, tools, a network of professionals, discounts, and more!
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Submit your projects and join us in celebrating exceptional projects, people, and organizations with the Green Roof & Wall Awards of Excellence.
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The Green Pages Green Roof and Wall Directory helps you quickly find key players in the green roof and wall industry as well as accredited Green Roof Professionals to help you with your projects.
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GRHC’s resources include Design Standards, a Guide to Green Roof and Wall Policy, the Green Roof Energy Calculator, Market Surveys, and more!
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