An electronic portal to information on the environment, sustainability, and emerging green technologies, from a global perspective.
Bibliographic database about environmental concerns from scholarly and general interest publications and government documents.
Enormous index to scholarly journals in all disciplines. Includes Science Citation Index Expanded, Social Sciences Citation Index and Arts & Humanities Citation Index from the first issue to the present. Provides the ability to search on cited references as well as more typical search criteria.
Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: peer-reviewed papers, theses, books, abstracts and articles, from academic publishers, professional societies, preprint repositories, universities and other scholarly organizations.
Open access journals from developing countries.
Science-specific search engine created by Elsevier Scientific.
Journal articles covering applied and theoretical aspects of the social sciences; full text from 1994 forward; indexing with abstracts from 1984 forward.
Index to journals in the social sciences 1929-1983.