When Sona learns about the climate crisis at school and is very worried that no one is doing enough to combat it, she takes up the challenge herself. But Appa isn't amused when Sona throws out her baby sister's nappies and Thatha isn't happy when she tells him to get rid of his colour-coded plastic files. When Sona learns that many of the kolams - the traditional art that people draw in front of their homes to celebrate the winter months and the festival...

"Ayla lives on a beautiful tropical island surrounded by a coral reef. Her mom is a marine biologist, and every day, the two go exploring together. One day, Ayla notices that many of the fish have disappeared, and the once-vibrant corals have turned pale. She and her mom set out to save the corals--but is it too late?"--Provided by publisher.