We still have time to change the world. From Greta Thunberg, the world's leading climate activist, comes the essential handbook for making it happen.You might think it's an impossible task: secure a safe future for life on Earth, at a scale and speed never seen, against all the odds. There is hope - but only if we listen to the science before it's too late.In The Climate Book, Greta Thunberg has gathered the wisdom of over one hundred experts - geophysicists, oceanographers a