pollution

Presents a discussion of the environmental, economic, and health effects of water pollution and scarcity, and covers conservation efforts and measures such as the Clean Water Act of 1972 and the construction of desalination plants, with commentary by experts and noteworthy case studies.

Presents a discussion of natural sources of air pollution and its effects on humans, plants, and animals, covering primary and secondary sources, monitoring by government agencies, and measures such as green roofs and the Clean Air Act, with commentary by experts and noteworthy case studies.

Explores what makes water pollution in lakes and rivers, the dangers, and what can be done to help reduce it.

Introduces transportation pollution and discuses ways to reduce pollution.

"From bestselling author Alex Prud'homme, a remarkable work--part investigative report, part intellectual adventure story, part call to action--that shows how access to fresh water is the planet's most pressing isssue in the twenty-first century"--.

"This title delves into different issues pertaining to fossil fuel pollution and its causes, effects, and how we can proactively deal with it to make our planet a cleaner and healthier place"--Provided by publisher.

Describes daily life before clean water became available, and traces the history and development of the process. Also features fact boxes, activities, diagrams, a timeline, a glossary of terms, and trivia.

The importance of water to all living things is discussed. Water treatment and the water cycle are described. Activities are included.

Discusses the topic of the disappearing ozone layer, including causes and consequences, and how to protect the remaining layer.