Articles

Summer 2026, Feature, Peter Alm, P.Eng Peter Alm Summer 2026, Feature, Peter Alm, P.Eng Peter Alm

How Green Roofs Impact Vancouver’s Updated Rainwater Criteria

In dense urban environments with aging sewer systems, effectively managing rainwater poses several challenges. Learn how the City of Vancouver’s recently updated rainwater management criteria for new development targets these issues, and green roofs provide a practical strategy to support the updated requirements. 

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Spring 2026, Feature, Eleanor Chong, Madison Munro, Ann-Sophie Raedler, & Steven W. Peck Eleanor Chong, Madison Munro, Ann-Sophie Raedler, and Steven W. Peck Spring 2026, Feature, Eleanor Chong, Madison Munro, Ann-Sophie Raedler, & Steven W. Peck Eleanor Chong, Madison Munro, Ann-Sophie Raedler, and Steven W. Peck

A Summary of Green Roof Cost Benefit Analyses From Around the World

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.

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Upheaval and Innovation: The Legacy of Toronto’s Green Roof By-Law and the Threatened Green Standards

Learn how Toronto’s award-winning Green Roof By-Law and the Toronto Green Standard shaped resilient, climate-positive cities, improved air quality, supported pollinators, and provided energy savings, and why their loss could impact Toronto’s future livability

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Substrate Innovations for Growing Green Roof Plants

Green roof substrates are the foundation of successful living roofs, yet they are often misunderstood. This article explores how evolving guidelines, industry-led innovations, and ongoing research are reshaping green roof growing media, revealing why substrate choice is critical to plant performance, long-term durability, and the future expansion of green roofs in diverse urban climates.

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Winter 2025, Feature, Jason Brown Jason Brown Winter 2025, Feature, Jason Brown Jason Brown

New Trends in the Green Roof Industry: Four Innovations for the Future

Learn why engineered green roof soil is essential for long-term performance and plant health on rooftops. This article explores lightweight, durable green roof growing media, flexible soil systems for diverse applications, deeper soil solutions for amenity-focused roofs, and science-backed product development that meets industry standards and evolving design goals.

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Winter 2025, Feature, Joe Dakin Joe Dakin Winter 2025, Feature, Joe Dakin Joe Dakin

Monitoring Green Roof Membranes

Discover how leak detection systems protect green roofs and the waterproof membranes beneath them. This article explores common construction-related membrane risks, explains passive and automated leak detection technologies, and demonstrates through a real-world case study how early detection reduces repair costs, minimizes disruption, and safeguards the long-term performance of green roof systems.

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Winter 2025, Research, Wenxi Liao and Jennifer Drake Wenxi Liao and Jennifer Drake Winter 2025, Research, Wenxi Liao and Jennifer Drake Wenxi Liao and Jennifer Drake

Sky-High Sustainability: The Long-Term Success of Toronto’s Green Roofs

Toronto’s green roofs improve in plant health over time, with roof size, building height, and vegetation type driving long-term success. Insights from NDVI remote sensing guide sustainable, resilient urban green infrastructure planning.

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Green Roofs: A Strategic Shield Against Escalating Hailstorm Damage

Hailstorms are becoming an increasingly costly threat to buildings, particularly in regions like Texas, Colorado, and the Great Plains but research shows that green roofs are a resilient solution to mitigate hail damage and protect waterproofing.

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Summer 2025, Feature, Johnnie Johnson Johnnie Johnson Summer 2025, Feature, Johnnie Johnson Johnnie Johnson

Enhancing Urban Biodiversity with Bio Strips on Green Roofs

Integrating bio strips into green roofs enhances urban biodiversity, improves stormwater management, and supports pollinators by creating structurally diverse habitats. This nature-based approach strengthens ecological resilience and reconnects fragmented urban ecosystems in the face of rapid urbanization.

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