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 Green Science and Technology.
There are a number of Library of Congress Subject Headings that will take you to books related to the subject of this web page. Some are below. Click on a subject heading to search it in the online catalog.
To get help in identifying other useful subject headings, click the Ask a Librarian link in the upper right of the screen.