SOCIAL SCIENCES
Fridell, Ron

Protecting Earth's Water Supply

(4) 4-6 Saving Our Living Earth series. Fridell thoughtfully suggests ways to protect and enhance the planet's water supply. Highlighting problems such as contamination and loss of wetlands, he foregrounds solutions ranging from legislation and conservation to new materials for controlling oil spills. While not deep, the text is balanced, and numerous photos and sidebars extend the information. Back matter includes suggestions for daily life and for writing to legislators. Reading list, websites. Bib., glos., ind.

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