Ten years after his internationally bestselling The Weather Makers, acclaimed scientist and author Tim Flannery argues that Earth's climate system is approaching a crisis. Catastrophe is not inevitable, but time is fast running out. In the lead-up to the United Nations Climate Change Summit to be held in Paris in December, Atmosphere of Hope provides both a snapshot of the trouble we are in and an up-to-the-minute analysis of some of the new possibilities for mitigating climate change that are emerging now.