The American Indoor Air Quality Council promotes awareness, education, and certification in the field of Indoor Air Quality through sharing, learning, and networking.

The American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE) is an international organization for professionals in the fields of heating, ventilation, air conditioning and refrigeration.

Canada Mortgage and Housing Corp. (Healthy Housing) sponsors research on all issues related to housing, including indoor air quality, and healthy construction.

The Center for Resourceful Building Technology (CRBT) was founded to educates the public on issues relating to housing and the environment, innovative building materials and technologies.

Chemfinder is a good search engine for locating information about specific chemicals.

The EcoDesign Resource Centre is a Canadian-based group offering a variety of services related to healthy and environmental construction.

The Energy Efficient Building Association is an international non-profit group dedicated to energy-efficient design, construction, and environmentally responsible development.

Environmental Building News is a periodical dealing with environmentally sustainable design and construction. Check out their discussion group.

The Environmental Health Center offers information about various health issues related to the indoor environment.

The Environmental Health Clearinghouse offers fact sheets on various health issues or specific chemicals, and answers questions related to indoor air quality, MCS, etc.

The Green Building Council promotes the understanding, development, and implementation of green building policies, programs, technologies, standards, and design practices

The Greenbuilding discussion group covers a wide variety of indoor-environment issues, as well as sustainable construction practices.

Health House  
Health House is dedicated to improving your home's indoor air quality, durability and energy efficiency. We are raising the standards for indoor environments through education, training and demonstration projects

The Indoor Air Quality mail list has subscribers interested in all aspects of air quality in buildings.

MCS Housing has a discussion forum dealing with housing issues and sensitive people, as well as listings of houses for sale or rent.

MCSurvivors is a comprehensive web site for people with Multiple Chemically Sensitivity.

For health information about natural gas, check out Health Hazards.

The Northeast Sustainable Energy Association (NESEA) is an organization that promotes renewable and sustainable energy, responsible use energy, and preservation of the environment.

Okios offers information on green building products and materials along with techniques for sustainable design and construction.

The EPA has some excellent health information about ozone generators.

The Rocky Mountain Institute fosters the efficient and sustainable use of resources as a path to global security.

The Sick Building Discussion Group deals with health effects and other issued related to poor indoor environments.

Solstice is a site for energy efficiency, renewable energy, and sustainable technology information and connections.

The Southface Energy Institute offers publications, workshops, and general information about sustainable, environmentally sound, and energy-efficient construction.

Sustainable Building Sources has a calender of upcoming green conferences and green building links.

The Swedish Association For the Electrically and VDT injured offers information in English and Swedish about Electrical Hypersensitivity.

The U.S. Centers for Disease Control and Prevention offers information about lead poisoning in infants and children.

The U.S. Consumer Product Safety Commission (CPSC) is an independent Federal regulatory agency that helps keep American families safe in their homes by reducing the risk of injury or death from consumer products.

U.S. Environmental Protection Agency (EPA), Indoor Air Quality Home Page. The EPA's Indoor Environments Division (IED) coordinates research and develops and implements policies regarding the impact of indoor air pollutants on the general public.

The sci.engr.heat-vent-ac newsgroup deals with indoor air quality issues, primarily from an engineering perspective. For basic background information, see their FAQ page.