In this urgent authoritative book Bill Gates sets out a wideranging practical and accessible plan for how the world can get to zero greenhouse gas emissions in time to avoid a climate catastrophe.Bill Gates has spent a decade investigating the causes and effects of climate change. With the help of experts in the fields of physics chemistry biology engineering political science and finance he has focused on what must be done in order to stop the planets slide toward certain environmental disaster. In this book he not only explains why we need to work toward netzero emissions of greenhouse gases but also details what we need to do to achieve this profoundly important goal.He gives us a cleareyed description of the challenges we face. Drawing on his understanding of innovation and what it takes to get new ideas into the market he describes the areas in which technology is already helping to reduce emissions where and how the current technology can be made to function more effectively where breakthrough technologies are needed and who is working on these essential innovations. Finally he lays out a concrete practical plan for achieving the goal of zero emissionssuggesting not only policies that governments should adopt but what we as individuals can do to keep our government our employers and ourselves accountable in this crucial enterprise.As Bill Gates makes clear achieving zero emissions will not be simple or easy to do but if we follow the plan he sets out here it is a goal firmly within our reach.