Cora's sandcastle-building contest is canceled due to litter on the beach, but determined to save her favorite place she, along with a few friends, gets to work picking up single-use plastics that have washed onto shore.

Kate is heartbroken when her favorite tree is cut down and shipped off to Rockefeller Center for use at Christmas, along with the bird who has been living in the tree.

Purrmaids Coral, Shelly, and Angel help clean up the ocean as a school project and rescue the brother of their mermicorn friend, Sirena, who is trapped by plastic soda rings.

Brothers Mio and Nao learn that the old stories of spirits are true when they lead a group of villagers to find out what is stopping the river. Features backlit papercut illustrations.

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.

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.

Mrs. Honey works to save a tree from demolition when the city wants to put a bus shelter in its place.

"A young girl makes a choice to plant a seed by a long dead riverbed. Little does she know that from this single, small act, a vibrant ecosystem will grow ... This inspiring poem -- bursting with hope for a greener would -- is a love letter to our ailing planet. It shows us that even when the future appears most bleak, each one of us can make a difference. A positive and optimistic story full of hope that it is not too late to mitigate climate change...

A whale takes a child on adventure across the ocean, and together they explore the wonders of the ocean world, but also the sad state of plastic pollution--and the child returns home to try and help the whale to save his marine home.

"After Marina throws away the plastic wrapper on her sandwich, the plastic goes on a journey to disturb a series of sea creatures before, later, washing up on a beach where Marina and her family are playing. This experience is Marina's introduction to the harmfulness of single-use plastics, lighting a spark within her to learn more and do more to help the planet"-- Provided by publisher.