Other editions of book Spreading Deserts

Examines the problem of desertification, its causes, its devastating effects, and the efforts of countries, international groups, and individuals to curb its spread and remedy its damage.

"Green Alert" introduces readers to environment issues, exploring the causes and effects. It features case studies from around the world, and includes projects to help creative planning, decision-making and problem-solving skills.

Take a closer look at life cycles! During their lives, animals and plants change and grow. This book explains how a frog develops from an egg to an adult frog. You can also find out where frogs live, and the dangers that they face throughout their lives.