Databases are subscription resources that bring together articles and other types of research materials into one place with a sophisticated search engine.
There are many, many databases you can use that provide access to journal articles, book chapters, book reviews, conference proceedings, dissertations, and more related to your environmental policy topics.
Start with the databases listed below. For additional databases, browse by subject category under the following categories: Environmental Sciences, Environmental Health, and Public Policy.
Web of Science - main science database
Databases from the same vendor/publisher may be searched together to weed out duplicate materials. See the tab: Searching Multiple Databases
Academic Search Ultimate, MasterFILE Premier, GreenFILE, International Political Science Abstracts, Business Source Complete, EconLit and Medline may all be searched together (EbscoHost databases).
For example, PAIS Index, Public Health and Worldwide Political Sciences Abstracts may all be searched together (ProQuest databases).