The Once-ler describes the results of the local pollution problem.

Alerts the reader to the dangers of surface water pollution and the global imperative to keep these waters fresh.

A young girl named Trina helps introduce readers to what water is, why it is important to people, why it is important to conserve it, why it is important to avoid polluting it, and steps that children can take to protect our water supply.

"Water. The single most necessary element to sustain life. Brockovich warns that America's water crisis isn't looming on the horizon--it's already here. Superman Isn't Coming makes clear that the most precious resource on planet Earth is alarmingly polluted by toxins, hazardous waste, lead, fracking chemicals, and more. In the 20 years since her eponymous film, Brockovich has kept up the fight for clean water one town at a time. She receives thousands...

Describes the nature of water, its sources and cycles, and the problems of pollution and the dwindling water supply.

When he has a dream about a future Earth devastated by pollution, Walter begins to understand the importance of taking care of the environment.