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.

Olivia participates in environmentally responsible initiatives with her family, but she must devise a clever solution to the problem of her brother needing a nightlight in order to keep everyone in the family happy.

While visiting her grandparents, who run whale-watching tours in Jamaica, Rocket sees first-hand how plastic is harming ocean creatures, and organizes a crew to clean up the local beach.

Mira Bella mobilizes her art students, from grandmothers to children, crabs to seagulls, to stop a dastardly plan for turning the beach at Ballyhoo Bay into an exclusive resort, and offers an alternative--leave the beach as it is.