The International Code Council, a membership association dedicated to building safety and fire prevention, develops the codes used to construct residential and commercial buildings, including homes and schools. Most U.S. cities, counties and states that adopt codes choose the International Codes developed by the International Code Council.

Founded in 1899, the American Society of Landscape Architects (ASLA) is the national professional association representing landscape architects. Beginning with 11 original members, ASLA has grown to more than 18,000 members and 48 chapters, representing all 50 states, U.S. territories, and 68 countries around the world. ASLA promotes the landscape architecture profession and advances the practice through advocacy, education, communication, and fellowship.

NC GreenPower is an independent, nonprofit organization established to improve North Carolina’s environment through voluntary contributions toward renewable energy.

The American Institute of Architects is committed to the goal of reaching at least a 60 percent carbon emission reduction by 2010 and carbon neutral buildings by 2030. We can achieve that goal through the support of our architect members, who stand ready to provide invaluable counsel on re-claiming brownfields, renewing urban areas, and re-shaping the current landscape toward a more renewable future.

AWEA promotes wind energy as a clean source of electricity for consumers around the world. It is a national trade association representing wind power project developers, equipment suppliers, services providers, parts manufacturers, utilities, researchers, and others involved in the wind industry - one of the world's fastest growing energy industries.

The InterInternational Association of Certified Home Inspectors (InterNACHI) is the world's largest, most elite non-profit inspection association. Our home buying clients enjoy the HI Experience® only InterNACHI Certified Inspectors can provide. Our inspectors have all successfully passed InterNACHI's Inspector Examination, taken a Standards of Practice Quiz, completed a Code of Ethics Course, adhere to Standards of Practice, abide by a Code of Ethics, attend required continuing education courses, and are InterNACHI Certified. InterNACHI...the very best home inspectors.

REPP's goal is to accelerate the use of renewable energy by providing credible information, insightful policy analysis, and innovative strategies amid changing energy markets and mounting environmental needs by researching, publishing, and disseminating information, creating policy tools, and hosting highly active, on-line, renewable energy discussion groups.

The Biomass Energy Resource Center (BERC) is an independent, national nonprofit organization that assists communities, colleges and universities, state and local governments, businesses, utilities, schools, and others in making the most of their local energy resources.

BlackRhinoceros resources for green activists. Act on conservation and recycling , conservation and reusing, reducing consumption and land use.