The Basics:
Title: Green Roofs for Healthy Cities
Author: Founded by Steven Peck, originally a creator of a consulting firm designed to provide services for processes, policies and programs that result in sustainable community and businesses development. He established GRHC after researching a report "Greenbacks from Green Roofs: Forging a New Industry in Canada."

URL: http://www.greenroofs.org
Date: Est. 1999

Notes:
At a Glance: "The association that represents the green roof industry in North America." GRHC has over 1,700 members and takes initiatives to generate a market for widespread green roof infrastructure implementation, including:

• Organizing an annual international green roof conference.
• Developing a Training and Accreditation program for green roof designers in North America.
• Working to develop research and policies that support green roof implementation.
• Creating the “Green Roof Awards of Excellence” to recognize outstanding integrated, restorative green roof designs.

Best for: The site is aimed more for industry professionals, but it has good, basic information about green roof systems, their function and benefits,and insight on what to look for in a installer. It also provides a searchable database of GRHC professional members, but it is not a true directory.

Standout Features: It's an easy starting place for some basic background information on a construction technique that is growing in popularity and it offers a window in the the burgeoning realm of Corporate-Green.

Keep in Mind: The site is chalked full of corporate/industry sponsors which creates an interesting directory - sponsors range from the Penn State Center for Green Roof Research, the US Composting Council and the American Society of Landscape Architects to GE and Firestone.

Suggested by: Leahkim