The following sites have excellent summaries of articles pertaining to various topics:
EMF exposure has been linked to various forms of cancer, including Childhood Leukemia and Breast Cancer. A summary of studies and report on these as links to Brain tumors and Miscarrage can be found here.
Reports and papers dealing with the health issues related to human exposure to Electromagnetic Radiation can be found here.
Lots of quality information on all EMF health concerns – http://www.powerwatch.org.uk/
Good overview of Dirty Electricity http://www.dirtyelectricity.org/
Extensive collection of information on Dirty Electricity and its health effects http://www.electricalpollution.com/