1969+ Provides indexing and abstracts of the world's engineering literature in all fields of engineering. The database includes journal articles, conference papers and technical reports. Sources for the records are from over five thousand journals, conference proceedings and reports. As of the year 2000 there are over five million records in Compendex. Updated weekly.
GREENR (Global Reference on the Environment, Energy, and Natural Resources) offers authoritative content on the development of emerging green technologies and discusses issues on the environment, sustainability and more.