Water pollution

Pollution is harmful waste that enters the air, soil, and water. About 40 percent of rivers in the United States are too polluted for fishing, swimming and other water sports. Learn more in Water Pollution, a Focus on Water Science book. In this series readers are introduced to the science behind Earth's water. A combination of vibrant photography and interesting text encourage readers to learn more about water science. Each Focus on Water Science title features easy-to-read text, stunning visuals, and a challenging educational activity. Focus on Water Science is a series of AV2 media enhanced books. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slide shows, activities, hands-on experiments, and much more. Book jacket.