World Health Organization
World Health Organization: International Emf Project
The World Health Organization probes into the feared associations between electromagnetic fields (EMFs) and cancer. Check out "What is EMF?" for detailed summaries on what electromagnetic fields are and the possible health effects, or...
Other
The Skeptic's Dictionary: Electromagnetic Fields (Em Fs)
This site explores what electromagnetic fields are, how they are caused, and their link (or lack thereof) to cancer.
Other
Quackwatch: Power Lines and Cancer Nothing to Fear
This site explores the history of power lines and cancer associations, as well as dispelling the myth. The science is explored by citing known facts, studies and experts in the field.
US National Library of Medicine
Medline Plus: Electromagnetic Fields
This site provides links to a variety of government-sponsored overviews and articles on electromagnetic fields and their associated health risks.