water pollution

"Find out how humans use water and how to protect the water supply"--Back cover.

Purrmaids Coral, Shelly, and Angel help clean up the ocean as a school project and rescue the brother of their mermicorn friend, Sirena, who is trapped by plastic soda rings.

As a Young Scientist, twelve-year-old Addie studies pollution in the lake where her twin brother recently drowned, while secretly continuing his investigation of the creature he believed lives in the lake's depths.

Presents an introduction to water pollution, in simple text with illustrations, explaining what it is, and how it affects the environment, and includes information on the different types of pollution, the water cycle, acid rain, and other topics. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Presents an introduction to water pollution, in simple text with illustrations, explaining what it is, and how it affects the environment, and includes information on the different types of pollution, the water cycle, acid rain, and other topics. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.

Explains why the world's rivers are under threat, examining issues of population growth, farming, fertilizer, pollution, dams, and irrigation, and looking at what can be done to help.

Presents an introduction to water pollution, in simple text with illustrations, explaining what it is, and how it affects the environment, and includes information on the different types of pollution, the water cycle, acid rain, and other topics.

Describes how people from around the world use water, discusses pollution, and encourages readers to consider ways they can help conserve water.

An introduction to oil spills that describes the negative effects of spills caused by ships, drilling, and underwater pipelines on the surrounding environment, and also explains how to clean up and prevent oil related disasters. Presented in graphic form.

Examines how and why social change occurs and the lasting influence of the environmental movement.