Discusses causes of air pollution and what we can do to help clean the air.

Examines the dumping of garbage in oceans, on land, in the air, and in space and suggests possible solutions to the problem of waste pollution.

This book explores the problem of space junk that clutters outer space and details the ways in which NASA and other organizations are trying to deal with and solve this problem. --

Examines the properties of ozone, ozone's strange double nature and addressing ozone problems.

Presents ways people are polluting the water we drink and how we can conserve our water resources.

"Earth is our home, and its our responsibility to take care of it. Thats just one important truth students will learn through this title, which tackles the problem of pollution in an accessible way. With text written to support elementary science curricula, students will learn what causes pollution, why its harmful, and what can be done to fix it. Detailed photographs and fact boxes supplement the text, and nonfiction text features complete a comprehensive...

"A stunning addition to the Scientists in the Field series that explores mercury pollution found in the rivers and streams of Western Montana that might cause harm to humans--and the extinction of the entire osprey species."--

With this book, kids and parents will find out what they can do every day to help protect the planet.

"Provides environmentally friendly 'green' science projects about air"--Provided by publisher.

Gives examples of changes in nature caused by temperature, air, water, friction, light, and weather. Also explains how man makes good and bad changes in his environment.