A multidisciplinary database of scholarly, government, and general-interest titles on environmental topics. Subjects covered include global climate change, green building, pollution, sustainable agriculture, renewable energy, recycling, and more. The database provides indexing and abstracts for approximately 295,000 records, as well as Open Access full-text for more than 4,600 records.

Covers agriculture, forestry and animal science, includes food science and nutrition. Updated monthly.

Major index for geology and earth sciences which includes journal articles, books, maps, conference papers, reports, and theses. Coverage for North America from 1666 to Current; Coverage for International from 1933 to Current. Over 100,000 new records added annually.

Indexes virtually all doctoral dissertations and many masters theses produced in the U.S. since 1861. Dissertations from other countries date back to 1637. Abstracts available from 1980. Full-text for dissertations are being added continually. Most since 1997 are full-text, though some authors choose not to make their work available. Print and microfilm copies are offered for a fee, but request the item via Interlibrary Loan before paying for a copy.

New search functionality includes metadata from Clarivate's Citation Connection. To ensure your search results take advantage of this new functionality, please add “AND ref(1)“ to your search terms.