A power outage gives Robert the opportunity he needs to teach his friend and her family about the limited sources of energy, what would happen if energy supplies ran out, and some of the ways in which they can all help conserve energy.
Miss Wade helps her young students understand why it is important to protect nature by respecting trees, flowers, and animals, and cleaning up trash and litter.
An introduction to the Aztecs, answering questions about various aspects of their lifestyles, rulers, culture, and society, and including discussion of what happened to the Aztecs.
Explains what pollution and waste are and the dangers they pose for the environment, looks at who produces pollution and waste, and discusses the importance of reducing, reusing, and recycling in addressing the problem.
A guide to ancient Aztec civilization, presented in entertainment-magazine format, providing information about notable people and achievements, and including fashion tips, advice columns, and secret diary entries.
