Welcome to the new Annenberg Learner website! All of the current series have migrated to our new, streamlined interface. The legacy site is available at archive.learner.org through February 29, 2020.
Classroom Resources >
6-8, 9-12, College/Adult
Source: Office of Sustainability, Illinois State University
The tub grinder processing bulk food waste.
Photos downloaded from the Essential Lens site are cleared for educational use only.