water-supply

Identifies the sources of Earth's water, looks at the water cycle, explains the many different uses and needs for water, and discusses ways to conserve water and reduce water pollution.

Explores how the resource of water has diminished and what can be done to improve the resource.

Provides information about the water cycle, looking at sources of water and how water is used, and discussing the problems of floods, droughts, and pollution and how they are being addressed.

Describes the nature of water, its sources and cycles, and the problems of pollution and the dwindling water supply.

Examines how the demand for water is increasing with the growth of population, and describes the issues surrounding the use, supply, and conservation of water.

Discusses water's sources, uses, and shortages; water quality problems and management programs; and what individuals can do to ensure cleaner water.

A reference guide to the various issues surrounding the world's fresh water supplies, including information on pollution, fish distribution, government control, and state policies.

A collection of essays that feature opposing viewpoints on the issues surrounding how water resources are managed as well as the outside issues that affect water safety, and discusses global warming, privitization, regulated dams, reclaiming wetlands, and more.

Describes the invention and development of water harvesting machines; and includes a glossary, Web sites, and bibliography for further reading.

An investigative journalist probes the startling gap between supply and demand of safe drinking water in the world, speculating that a water crisis looms on the horizon.