Meeting the short run challenges of reviving the worldwide economy need not mean sacrificing long run economic and environmental sustainability. A Global Green New Deal (GGND) is an economic policy strategy for ensuring a more economically and environmentally sustainable world economic recovery. Reviving growth and creating jobs should be essential objectives. But policies should also aim to reduce carbon dependency, protect ecosystems and water resources, and alleviate poverty. Otherwise, economic recovery today will do little to avoid future economic and environmental crises. Part One argues why a GGND strategy is essential to the sustainability of the global economy. Part Two provides an overview of the key national policies whilst Part Three focuses on the global actions necessary to allow national policies to work. Part Four summarizes the main recommendations for national and international action, and discusses the wider implications for restructuring the world economy towards "greener" development.