The global commons - our forests, oceans, climate and biodiversity - belong to all who dwell on Earth. And they are facing a crisis. Without major changes over the next decade, their destruction will be irreversible, leading to more abnormal weather and deadlier pandemics. What must be done to ensure our planet remains livable? The Tokyo Forum 2020 brings together the world's foremost thinkers to explore green investment, new business opportunities, and the movement for change in Africa.