With a letter to President Franklin Roosevelt and unexpected help from her Hallelujah-spouting cousin, Henry James, Elsie Mae tries to prevent a company from building a canal through the Okefenokee Swamp.

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

An Air Force loadmaster in the Vietnam War is shot out of the sky, then saved by falling into a banyan. An artist inherits a hundred years of photographic portraits, all of the same doomed American chestnut. A hard-partying undergraduate in the late 1980s electrocutes herself, dies and is sent back into life by creatures of air and light. A hearing- and speech-impaired scientist discovers that trees are communicating with one another. These four,...

Mr. Fish and an increasing number of sea creatures investigate, then decide how to deal with, a huge mess in the ocean, in a story that includes tips for the reader to help clean up and protect the ocean.

On Green Day, Cam and her classmates discuss ways to protect the environment, but when money collected for the school's new skylights disappears, Cam uses her photographic memory to solve the mystery.

New third grade teacher Mr. Granite has so many strange ideas about how to make Ella Mentry School environmentally friendly that the students are sure he must be an alien.

Arlo escapes his abusive guardians on Earth through an intergalactic portal to the steam-powered planet of Pother where he joins a group who work to protect the planet's resources, giving Arlo a chance to discover his own self-worth.

After discovering that a green sea turtle was harmed by plastic in the ocean, twin mice Sydney and Simon come up with a creative campaign to increase recycling and reduce the amount of trash created in their home, school, and town.

"Little Sofia befriends the Moon and sets off on a dreamy adventure to visit her friend. She sees our planet from the Moon's point of view and is inspired to do whatever she can to protect our Earth. When she wakes, Sofia encourages others to do the same"--