Agency for Toxic Substances and Disease Registry American Council on Science and Health Environmental Health Coalition Children's Environmental Health Network Directory of Occupational and Environmental Health Environmental Health Watch Health Care Without Harm National Environmental Health Association National Institute of Environmental Health Sciences (NIEHS) NIEHS Electromagnetic Fields Nelson Institute of Environmental Medicine Physicians for Social Responsibilty - Environment and Health Protection of the Human Environment - World Health Organization Scorecard Society of Environmental Toxicology and Chemistry World Health Organization - EMF (Electronmagnetic Fields) Project