The alternative exists: renewable energy from renewable sources - above all, solar. Substituting renewable for fossil resources will take a new industrial revolution to avert the worst of the damage and establish a new international order. It can be done, and it can be done in time. , by one of the world's most effective analysts and advocates, lays out the blueprints, showing how the political, economic and technological challenges can be met using indigenous, renewable and universally available resources, and the enormous opportunities and benefits that will flow from doing so.