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.

Recycling magic turns a garbage-filled park into a "greentastic" garden.

When Mallory is appointed to the Fern Falls Elementary School Environmental Committee, which is deciding on class projects for the upcoming Green Fair, she rapidly succeeds in alienating her classmates, friends, and family by her overzealous efforts to save the planet.

Wangari lives in the lush, green, land of rural Kenya where the soil is perfect for planting, the trees tower into the sky, and the streams are full of mysterious creatures. All day, she plays beneath her favorite fig tree, and at night she gathers around the fire with her family to listen to her mother's stories. Then Wangari grows up and goes away to school, and things start changing at home. Farmers chop down the trees. Landslides bury the stream....

A class field trip to Camp Go Green inspires Hope Roberts to take up environmental causes, but getting busy grown-ups (or her older sister) to pay attention to a middle schooler can be something of a problem, and so is Hope's expectation that everyone will share her enthusiasm; her science club gets her school to add more recycling bins, start a carpooling program and create a garden, but it turns out that saving the world is more complicated than...