To learn more about the U.S. Green Building Council, LEED (Leadership in Energy and Environmental Design), and the LEED point-based system please visit the following links:

• The US Green Building Council

Building Green Inc./GreenSpec Directory

• Collaborative informational site between USGBC and GreenBiz

• Resource Center for Business, the Environment and the Bottom Line

• Green Guard Environmental Institute

• Healthy Building Network

• Office of the Federal Environmental Executive

• Interior Design Educators Council

• American Institute of Architects Committee on the Environment