You can find information & resources of science, biotechnology, chemistry, ecology, technology, science resources, mechanical engineering, earth sciences, astrophysics, nuclear & molecular at PortalScience.com
Environmental Health Resources
Directory of UK sites includes nuisance, environment, pollution, health and safety, food, pest control, housing, education and services.
http://ehweb.members.easyspace.com
Hygienicus.org
Search engine for hygiene, infection, disinfection, pest control and health. Working on global hygiene standards.
http://hygienicus.org
Risk Management Internet Services
Providing paid subscribers with a large collection of reference materials related to many categories. These include health, environment and workplace health hazards and information for education and training.
http://www.rmis.com/
