This is an excellent, scholarly alternative to Wikipedia. It allows you to search back-of-the-book indexes and article titles in thousands of reference books owned by Camden-Carroll Library. If it is an e-book you can access it. If it is a print book you can find its call number and then the volume and page numbers for your topic.
Britannica Academic EditionUpdated daily. The combination of the Encyclopædia Britannica and Merriam-Webster’s Collegiate Dictionary and Thesaurus, magazines and periodicals, and many other research tools provides a variety of reliable sources.
Encyclopedia of Environmental Issues - 2011Provides information from numerous fields of knowledge relevant to the study of environmental issues, including biology, geology, anthropology, demographics, genetics, and engineering, and explains the interrelationships of these issues.
Environmental Encyclopedia - 2011Provides in-depth, worldwide coverage of environmental issues. Each article is written in a nontechnical style and provides current status, analysis, and suggested solutions whenever possible.