Oxford Reference Online - Earth and Environmental Sciences Williams College only
Access Science - the McGraw Hill Encyclopedia of Science & Technology Williams College only
Environmental Sciences - Encyclopedias FRANCIS online catalog SUBJECT SEARCH
Environmental Sciences - Dictionaries FRANCIS online catalog SUBJECT SEARCH
EarthTrends: the Environmental Information Portal free access internet resource
Developed by the World Resources Institute; grouped into major topics. Data tables and country profiles.
Worldwatch Institute free access internet resource
Information on a wide range of key environmental topics.