Contains citations and abstracts to international literature of geography, geology, ecology, and international development.

Contains the full text of McGraw Hill's Encyclopedia of Science and Technology as well as science news and videos.

Provides citations to journal articles, government reports, and books in agriculture and related disciplines.

Contains full text research reviews of current and emerging topics within anthropology.

Contains articles from international anthropology and archaeology journals from the Royal Anthropological Institute and the Centre for Anthropology, British Museum.

Provides full-text access to selected anthropology journals from the American Anthropological Association (AAA).

Contains full text articles from bioscience research journals focused on biology and environmental science.

Provides detailed scientific information for species of birds nesting in the U.S. and Canada.

Maintains a daily publication on climate policy.

Freely available electronic journals

The Encyclopedia of Earth (EoE) is a collaborative, open, peer-reviewed reference resource about the Earth, its natural environments, and the relationship between the environment and society.

Provides full text journals, books, and reference works that cover agriculture, ecosystem ecology, energy, renewable energy sources, natural resources, marine and freshwater science, geography, pollution and waste management, environmental technology, environmental law, public policy, social impacts along with urban planning.

Provides citations and abstracts of articles in environmental, ecology, and water resources journals, conference proceedings, EPA reports, and books.

Maintains a global reference on the environment, energy, and natural resources.

Contains information on grey literature produced in Europe. Covers science, technology, biomedical science, economics, social science and the humanities.

Portland State University's Digital Repository, PDXScholar, preserves the University's research, unique resources, and other scholarly output with the goal to provide persistent, open access to that work.

Social Explorer is an online research tool designed to access current and historical U.S. Census data and demographic information. It contains maps, profile reports, data elements, variables, and 220 years of data designed to access current and historical U.S. Census data and demographic information.

Contains full text articles and books as welll as trade publications covering all aspects of sustainability and corporate social responsibility. 

Includes full texts of the Funk & Wagnalls New Encyclopedia, The World Almanac and Book of Facts 1998, The World Almanac of the U.S.A., The World Almanac of U.S. Politics, and The World Almanac for Kids.