A recreation of the ECOLOGY symbol used in early Earth Day materials, by Melanie Schleeter McCalmont. CC A-SA 3.0U. Source: Wikimedia Commons
The Gumberg Library online catalog, contains many works dealing with sustainability and business.
There are a number of Library of Congress Subject Headings that will take you to books related to the subject of this module. Some of them are below. Click on a subject heading to search for it in the online catalog.
For help in indentifying additional relevant subject headings, click on the Ask-a-Librarian link in the upper right of the screen.