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.

Roy, who is new to his small Florida community, becomes involved in another boy's attempt to save a colony of burrowing owls from a proposed construction site.

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

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.

The students in Miss Fox's class lead their school in making choices to help keep the planet healthy, such as turning off lights when leaving a room, taking shorter showers, and using cloth bags instead of plastic ones.

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

When vandals trash McPhearson Park, Amy leads the way as she, Morgan, Carlie, Emily, and Chelsea, the newest club member, make it their project to save the spot from being turned into a parking lot and restore it to a place of beauty and fun.

After Little Critter learns about Earth Day in school, he does everything he can to help protect the environment and save the polar bears from global warming, but he gets discouraged when his Climate Control Machine fails to work.

In the early 1900s, thirteen-year-old Tyler encounters vicious hunters whose actions threaten to destroy the Everglades ecosystem, and as a result joins the battle to protect that fragile environment.

When dragons cut down too many trees, blow out too much hot air, and do other environmental damage, the future looks grim, but other animals advise them on how to mend their ways and save the planet.