An exploration of geothermal power that describes how it is harnessed and discusses its advantages and disadvantages as well as its potential for being used as a primary source of energy.
A young girl celebrates our most precious natural resource, describes the sources of water and its importance to all living things, and expresses her gratitude for this gift of nature.
Discusses the basic geology of the Earth, looks at how rocks and minerals are used, and provides information about the planet's natural energy resources.
Discusses the economic, political, and moral aspects of global overpopulation and the subsequent pressures placed on the world's natural resources and life support systems.
Describes how Earth's various natural resources, including air, water, minerals, soil, and fossil fuels, are obtained and used, and discusses threats to these resources; conservation; and nuclear and renewable energy.
