US Environmental Protection Agency
Epa: Assessing Health Risks From Pesticides
This site provides information about the active ingredients registered as pesticides. Site discusses toxicology, exposure, dose-response and risk characterization.
University of California
Bacillus Thuringiensis: How Do Insects Become Resistant to Pesticide?
Insects are known for their ability to develop resistance to insecticides. Currently there are insects resistant to every synthetic chemical insecticide used. There are many factors to developing resistance. In a population of insects...
Other
Elements Online: Are Animals Effective in Testing?
This site questions the use of animals, specifically in the testing of prolonged exposure to pesticides. This article argues that, although pesticides have been found "safe" through animal testing, the long-term effects on humans has not...