Applying Green Roofs to Schools: Article by Katrin Scholz-Barth from HOK on the benefits of green roofs on schools.
Center for Green Roof Research at Penn State University: To demonstrate and promote green roof research, education, and technology in the Northeastern United States. Includes news, research, faculty profiles, and links.
City of Chicago: City Hall Rooftop Garden: Includes design considerations, construction timeline, plants and landscaping [PDF], and monitoring methods and results.
D.C. Greenworks: Nonprofit organization in Washington, D.C. providing job training and design, consulting, and installation services relating to rainwater management.
Earth Pledge Green Roofs Initiative: Supporting the creation of green roofs upon New York City's flat rooftops. Includes rationale, research, projects, workshops, and resources.
EDC Magazine: Green Roofs: Stormwater Management From the Top Down: Article by Katrin Scholz-Barth of HOK discussing green roofs in an urban setting.
Green Roofs Cool City Rooftop Gardens in Chicago to Fight Smog, Heat: Why city officials are encouraging green roofs.
Green Roofs for Healthy Cities: Dedicated to creating a green roof marketplace in North America. Includes news, upcoming events, FAQ, projects, public policies, and research.
Greenroofs.com: Information about green roof architecture including history, advantages and issues, plant lists, markets in North America and Europe, case studies, events, and links.
LIDC: Green Roofs: Includes design plans, specifications, costs, and maintenance.
Livingroofs.org: Non-profit UK organisation promoting green roofs. Includes roof types, benefits, issues, research, list of applications in the UK, case studies, and suppliers.
National Geographic News: Plant-Covered Roofs Ease Urban Heat: The promotion of green roofs by city governments in Canada, Japan, and the United States.
Northwest EcoBuilding Guild: Green Roof Project: Developing the technology for wide-scale residential application in the Pacific Northwest. Includes photo gallery, plant list, soils, monitoring options, and links.
Portland Environmental Services: Ecoroof Program: Includes program information and links to PDF documents.
Seattle Daily Journal of Commerce : Green Building Starts at the Top: Article by Elizabeth Daniel about the architecture and its application in Seattle.