A passionate call to arms from former UN Executive Secretary for Climate Change, Christiana Figueres, and Tom Rivett-Carnac, senior political strategist for the Paris Agreement. We are still able to stave off the worst and manage the long-term effects of climate change, but we have to act now. We know what we need to do, and we have everything we need to do it. "One of the most inspiring books I have ever read". Yuval Noah Harari