» Applying Green Roofs to Schools
   Article by Katrin Scholz-Barth from HOK on the benefits of green roofs on schools.
   http://www.ulm.edu/lsfma/greenroof.html

» CMHC: Greenbacks from Green Roofs: Forging a New Industry in Canada
   Report on the feasibility of green roofs in Canada. Includes a chart comparing intensive and extensive systems.
   http://www.cmhc-schl.gc.ca/en/imquaf/himu/wacon/wacon_088.cfm

» 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.
   http://hortweb.cas.psu.edu/research/greenroofcenter/

» City of Chicago: City Hall Rooftop Garden
   Includes design considerations, construction timeline, plants and landscaping [PDF], and monitoring methods and results.
   http://egov.cityofchicago.org/city/webportal/portalDeptCategoryAction.do?BV_SessionID=@@@@0288890837.1092179048@@@@&BV_EngineID=ccccadcmejimhmdcefecelldffhdffn.0&deptCategoryOID=-536889314&contentType=COC_EDITORIAL&topChannelName=Dept&

» City of Portland Environmental Services: Ecoroof Program
   Includes FAQ and contact list [PDF].
   http://www.cleanrivers-pdx.org/clean_rivers/ecoroof.htm

» DC Greenworks: Green Roof Technology at Matthew Henson Park
   Information and photographs about the first green roof in Washington, D.C.
   http://www.communityresources.org/greenroof.html

» EDC Magazine: Green Roofs: Stormwater Management From the Top Down
   Article by Katrin Scholz-Barth of HOK discussing green roofs in an urban setting.
   http://www.edcmag.com/CDA/ArticleInformation/features/BNP__Features__Item/0,4120,18769,00.html

» 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.
   http://www.earthpledge.org/GreenRoof.html

» Green Roofs Cool City Rooftop Gardens in Chicago to Fight Smog, Heat
   Why city officials are encouraging green roofs.
   http://www.cityfarmer.org/greenroofs.html

» Greening Rooftops for Sustainable Communities
   Green roof infrastructure conference, awards and trade show in Chicago in May, 2003. Includes agenda, registration, list of exhibitors, and award categories and guidelines.
   http://www.greenroofs.ca/grhcc/conference.htm

» 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.
   http://www.greenroofs.com/

» LIDC: Green Roofs
   Includes design plans, specifications, costs, and maintenance.
   http://www.lid-stormwater.net/greenroofs/greenroofs_home.htm

» National Geographic News: Plant-Covered Roofs Ease Urban Heat
   The promotion of green roofs by city governments in Canada, Japan, and the United States.
   http://news.nationalgeographic.com/news/2002/11/1115_021115_GreenRoofs.html

» 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.
   http://www.hadj.net/index1.html

» Seattle Daily Journal of Commerce : Green Building Starts at the Top
   Article by Elizabeth Daniel about the architecture and its application in Seattle.
   http://www.djc.com/news/enviro/11113857.html/