Do you know that the ocean adds $2.5 trilion each year to the global economy, produces half the planet's oxygen, feeds 3 billion people, and absorbs a quarter of all carbon dioxide emission? Despite the ocean's importance to our life, it is a treasure in peril. What are the challenges faced by our ocean today? What can be done to help the ocean? Find the answers in Sustainability Booklet Series 2: Ocean.

WRI Indonesia presents Sustainability Booklet Series, a series of booklets explaining sustainability issues in easy-to-read and interesting visualization.