We Are North America’s Industry Association For Green Roofs and Green Walls

Advancing Living Architecture: Education, Advocacy, and Excellence

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. 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.

GRHC’s events can earn you CEUs and strengthen your practice, while exploring emerging technologies, projects, policies, and research.

2025 Events

  • Green Roof Installation and Maintenance Professional Training: New York City, NY | May 2

  • Green Roof Professional Training: Vancouver, BC | May 15

  • Grey to Green Conference: Vancouver, BC | May 16

  • Nature in the City Week: Toronto, ON | May 30 - June 6

  • Green Roof Installation and Maintenance Professional Training: Toronto, ON | June 19

  • Grey to Green Conference: Toronto, ON | June 20

  • Green Roof Installation and Maintenance Professional Training: Denver, CO | August 14

  • Grey to Green Conference: Denver, CO | August 15

  • Grey to Green Conference: Houston, TX | September 25

  • Green Roof Installation and Maintenance Professional Training: Raleigh, NC | October 23

  • Grey to Green Conference: Raleigh, NC | October 24

  • Jeffrey L. Bruce Green Roof and Wall Awards of Excellence Ceremony: Online | December 10

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 24rd year.

Highlights from the Winter 2025 Innovation Issue:

It’s Time for Major Innovation For Market Transformation By Steven Peck

This article explores how cities like Portland can achieve Project Drawdown’s 9% green roof coverage target by 2050 through innovative economic strategies, public-private partnerships, and workforce development. Scaling green roofs transforms urban infrastructure, delivers climate benefits, and generates local jobs while addressing market limitations and the climate crisis.

Introducing the New Pathfinder 3.0: A Climate + Biodiversity Positive Tool for Sites 

Pathfinder 3.0, the latest update to Climate Positive Design's LCA tool, helps designers measure project impacts with expanded carbon datasets, biodiversity and water use analysis, and equity assessments. With enhanced features like GIS integration and project scorecards, it empowers sustainable, climate-forward design for spaces beyond buildings.

Extensive Green Roof Installation at Parks at Walter Reed Army Medical Center in Washington D.C.

Discover how extensive green roofs at The Parks at Walter Reed in Washington, D.C., mitigate stormwater runoff, enhance urban sustainability, and provide aesthetic and environmental benefits. Featuring LEED® Gold-certified designs and advanced roofing technologies, this project sets a benchmark for green infrastructure in urban redevelopment.


Explore Our Ecosystem: Policies, Membership, Awards, and More

  • 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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