NUsearch is the main search tool for Northwestern University Library, combining the library catalog with a wealth of other databases and online collections.

Established by the American Geosciences Institute, GeoRef is a comprehensive database in the geosciences.The database includes references to geoscience journal articles, books, maps, conference papers, reports and theses.

The GeoRef In Process database contains records that are in the process of being indexed prior to their integration in the main GeoRef database. Prior to their integration in the main GeoRef database. When the In Process record is completed, then the record will appear in the main GeoRef file. This database is intended as a supplement to the main GeoRef database.

GreenFILE offers well-researched but accessible information covering all aspects of human impact on the environment. Topics covered include global warming, green building, pollution, sustainable agriculture, renewable energy, recycling, and more. GreenFILE is multidisciplinary by nature and draws on the connections between the environment and a variety of disciplines such as agriculture, education, law, health and technology.

Multidisciplinary coverage of over 10,000 journals in the sciences, social sciences, and arts and humanities, as well as published proceedings for over 12,000 conferences per year, and over 50,000 scholarly books.Powerful tools allow you to search and see what articles in the database have cited a particular work, as well as perform other analytics.

Agricultural & Environmental Science Collection offers full-text titles from around the world, including scholarly journals, trade and industry journals, magazines, technical reports, conference proceedings, and government publications. It also includes specialized, editorially-curated A&I resources as well as the renowned AGRICOLA and TOXLINE databases and content previously available in ESPM (Environmental Sciences and Pollution Management) and Environmental Impact Statements (EIS).

Coverage: 1960 - current .