O*NET system serves as the nation's primary source of occupational information, providing comprehensive information on key attributes and characteristics of workers and occupations.
Science.gov
Science.gov is a gateway to government science information and research results. Science.gov provides a search of over 36 scientific databases and is a gateway to 1,850+ scientific Websites.
EPA leads the nation's environmental science, research, education and assessment efforts. The mission of the Environmental Protection Agency is to protect human health and the environment.