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.

With their father jailed for sinking a river boat, Noah Underwood and his younger sister, Abbey, must gather evidence that the owner of this floating casino is emptying his bilge tanks into the protected waters around their Florida Keys home.

A girl and a mermaid become best friends as they figure out how to enjoy their favorite things together, but when the shore becomes unsafe Mermaid must leave, promising to return.

When Mrs. Connor's class celebrates Earth Day, Emma decides to start small by recycling, using only what she needs, and picking up trash when she goes for a walk.

Homeschooled by her mechanic-environmentalist father, eleven-year-old Rachel "Ratchet" Vance records her efforts to make friends, save a park, remember her mother, and find her own definition of "normal."

When a baby albino dolphin caught in old fishing netting washes ashore, Paralympics sailing hopeful Felix and English school girl Kara work with veterinarians and specialists to save and reunite the dolphin with her mother, setting off a chain of events that might just save the reef from the environmental effects of proposed dredging.

When Judy Moody gets serious about protecting the environment, her little brother Stink thinks she is overdoing it, but she manages to inspire her third grade class to undertake an award-winning, environment-saving project.

"On the pretext of making a film for his mother's environmental protection work, Jack wangles an expedition to the Arctic with his friends Amelia and Xander and cousin Caleb. But Xander's investigations into the mysterious backers funding their adventure raises Jack's suspicions. Is the renewable energy investment company really as environmentally responsible as it claims to be? While sledding with dogs, ice fishing, driving snowmobiles and sleeping...

Twelve-year-old Arrow was raised by the Guardian Tree in a rainforest protected by a magical veil, but now the veil is deteriorating and humans have entered, changing his life forever.

Sometimes it's hard to be Milton P. Greene. He says all the wrong things, his family is falling apart, and everyone at school avoids him because of the very embarrassing Bird Brain Incident. But when Milton plays his video game Isle of Wild, he becomes someone else―Sea Hawk, the brave and brilliant naturalist explorer who conquers danger at every turn. Then Milton’s parents ship him off to the remote Lone Island for the summer, where his uncle...