- American Academy of Health Physics (AAHP)
- Professional association of Certified Health Physicists (CHPs) who have been certified by the American Board of Health Physics (ABHP). - Ask-a-CHP
- Pose a question about radiation or radioactivity to a Certified Health Physicist (CHP). - Australasian Radiation Protection Society (ARPS)
- For radiation protection specialists in Australia and New Zealand. - Dangers of Electromagnetic Radiation
- New Zealand researcher, Neil Cherry, discusses research into the dangers of electromagnetic radiation. - EMFacts Information Service
- On the health effects of electromagnetic radiation, mobile phones, powerlines. - Geislavarnir ríkisins
- Icelandic radiation protection institute (in English and Icelandic). - Health Costs of Low-Level Ionizing Radiation
- Providing information about the health costs of man-made low-level ionizing radiation. - Health Physics Instrumentation Museum Collection
- Chronicles the scientific and commercial history of radioactivity and radiation. - Hiroshima International Council for Health Care of the Radiation-Exposed (HICARE)
- Trains medical and other personnel caring for the radiation-exposed, dispatches personnel to radiation-exposed regions, and shares related knowledge gained through research and care. - Microwave News
- Covers the health and safety issues related to exposure to electromagnetic radiation. Includes electromagnetic fields (EMFs) power lines, cellular phones and radar. - Power Line Environmental Web
- Exploring the dangers of transmission power lines, specifically the Wilson-Red Rock line, Minnesota. - Radiation and Public Health Project
- Nonprofit educational and scientific organisation dedicated to furthering understanding the relationship between low-level nuclear radiation and public health. - Radiation Reassessed
- Facts, information, glossary, and bibliography. - Radiation Safety Information
- Offers links to sites with information on radiation safety, protection, and legislation in the U.K. and worldwide. - U.S. Environmental Protection Agency - Radiation Protection Division@
- University of Texas at Austin - Nuclear and Radiation Engineering Program

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