water supply

Describes how cities treat freshwater so that it is safe to drink.

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

Discusses how aqueducts are created, discussing the scientists, engineers, and other professionals that are involved.

Water is an essential part of life on Earth. But in some places, it s running out. Through expert analysis and informational insets, students will learn about water scarcity, pollution, the impact on public health, and how to protect this diminishing resource. Take Action boxes will show teens how they can help stop the drought. Appendix, Charts, Graphs, Tables, Fact Boxes, Full-color photographs, For Further Information Section, Glossary, Index, Sidebars, Web Sites, Chapter Notes.

A collection of essays looking at differing opinions on global sustainability.

"Curious readers want to know how things work. Easy-to-understand text explains how water gets to and from our homes and describes the role of the community workers who make it all possible"--From the publisher's web site.

Beaver brothers Ace and Bub go skiing over winter break, and encounter a group of baboons who are using a giant hair dryer to melt all the snow off the mountain for use in swimming pools.

Reveals the influence of water on politics and history, peeling back the layers of history to show the effect of this vital natural resource on human affairs.

Explains the life-giving value of water, the water cycle, responsibile uses of water, and useful tips for reducing one's water footprint.

Investigates issues related to water-supply, consumption, and conservation around the world.