1895-present. International database for research on all periods of U.S. and Canadian history, including very recent years. Includes abstracts of journal articles and listings of books and dissertations. Over 1,800 journals are indexed.
Offers deep coverage in applicable areas of agriculture, ecosystem ecology, energy, renewable energy sources, natural resources, marine & freshwater science, geography, pollution & waste management, environmental technology, environmental law, public policy, social impacts, urban planning, and more. It contains more than 2.5 million records from more than 2,350 domestic and international titles dating back to 1888. Formerly Environment Index.