RESOURCES
Products & Service Providers
Green Roof Installations: Intrinsic Landscaping
Leak Detection: Progeo Monitoring
System Components: Green Roof Solutions
Plants: Emory Knoll Farms
Research
Penn State
NC State
MI State
Uconn NEMO
Vancouver Centre for Architectural Ecology
Green Building
US Green Building Council is an organization that certifies sustainable businesses, homes, hospitals, schools, and neighborhoods. USGBC is dedicated to expanding green building practices and education, and its LEED® (Leadership in Energy and Environmental Design) Green Building Rating System™.
Green Roofs.com is an open green roof industry resource portal including a project database, research links, and educational information.
Green Roofs for Healthy Cities’ mission is to increase the awareness of the economic, social, and environmental benefits of green roof infrastructure across North America and rapidly advance the development of the market for green roof products and services.
The ASLA has a great educational piece on green roof benefits and information on their own green roof in Washington DC.
Regulatory Agencies
EPA compendium on reducing heat island effect 
Info on the proposed MassDEP stormwater regulations 314 CMR 21.00
MassDEP General Info on green roofs