Book excerpt: A unique publication exploring the opportunities for addressing ten of the most serious challenges facing the world today: Climate Change, Communicable Diseases, Conflicts, Education, Financial Instability, Corruption, Migration, Malnutrition and Hunger, Trade Barriers, Access to Water. In a world fraught with problems and challenges, we need to gauge how to achieve the greatest good with our money. Global Crises, Global Solutions provides a rich set of arguments and data for prioritising our response most effectively. Each problem is introduced by a world-renowned expert defining the scale of the problem and describing the costs and benefits of a range of policy options to improve the situation. Each challenge is evaluated by economists from North America, Europe and China who attempt a ranking of the most promising options. Whether you agree or disagree with the analysis or conclusions, Global Crises, Global Solutions provides a serious, yet accessible, springboard for debate and discussion.