- http://www.earthportal.org/forum/ This collaborative web portal for news, articles and encyclopedia entries is written by a community of scholars. Entries about the earth, energy and climate can be found in a fully searcheable database along with cutting edge science and environmental news.
- GreenFILE - a bibliographic database of information about environmental concerns provided as a free service by EBSCO. GreenFILE indexes scholarly and general interest titles, as well as government documents and reports. Drawing on the connection between the environment and disciplines such as agriculture, education, law, health and technology. The database contains 295,000 records, of which 4,600 provide links to full-text articles from open access titles.
- http://nsdl.org/ The National Science Digital Library, funded by the National Science Foundation, provides organized access to high quality resources and tools that support innovations in teaching and learning at all levels of science, technology, engineering, and mathematics education.
- http://www.eurekalert.org/index.php EurekAlert! is an online, global news service operated by AAAS, the science society. It provides a central place through which universities, medical centers, journals, government agencies, corporations and other organizations engaged in research can bring their news to the media. EurekAlert! features news and resources focused on all areas of science, medicine and technology.