Eco-roof Project Provides details of the Nortwest EcoBuilding Guild Central Puget Sound Chapter's green roof project.

Scandinavian Green Roof Institute Encouraging the rejuvenation and improvement of urban flora through the use of living roofs.

Earth Pledge Green Roofs Initiative Supports the development of green, vegetated rooftops in urban areas to prevent stormwater runoff pollution, lower urban temperatures, and improve air quality.

Green Roof Research at BCIT Green roof research program at the British Columbia Institute of Technology, supported by a consortium of regional government organizations, industry associations and material suppliers.

Vegetative Greenroof Research Program Objectives of its ongoing research are to evaluate plant species, propagation and establishment methods, plant succession, substrate composition, water and nutrient requirements, water quality and quantity of stormwater runoff, and energy consumption.

BAE Greenroof Research Gives background information, and research overview and locations.

River Basin Center: Green Roofs A vegetated roof research site on the Science Library-Boyd Hall Graduate Studies building on the campus of the University of Georgia.