In this article, agrofuels are examined in the context of the world food price crisis and the "food sovereignty" proposal for addressing the crisis. Both short- and long-term causes of the crisis are examined, and while agrofuels are presently not a prime causal factor they are clearly contraindicated by the crisis. Food sovereignty,…

This module contains readings which explain the need to conserve electricity and describe how major electric energy users (the industrial and commercial groups) use and conserve electricity. The module also contains 10 self-check questions (with answers) and a list of references. Students completing the module should be able to: (1) compare the…

Information on how to conserve electrical energy in the home is provided in this module, which is recommended for sophomores in high school. Topics considered include electric meters, electric bills, costs, and conservation practices. Also included are several activities, sample problems to solve, four exercise sets (with answers), and a short…