Once teeming with plants and animals, our ocean is no longer in good shape. It's warming up and becoming a dumping ground for plastic rubbish. But it doesn't have to be that way! There are all sorts of clever things that we can do to make life in the ocean healthy again. Chapters in this book include: - Our amazing ocean - What's going wrong? - Getting rid of plastic - Spills and splurges - Fishing - The CO2 problem - Helping habitats - Our future