International Shopping Transition Alert We're showing you items that ship to China. To see items that ship to a different country, change your delivery address. Dismiss Change Address

The world's biggest problems require urgent solutions, but with limited resources, we must prioritize wisely.

This book provides a comprehensive overview of 23 pressing issues in environment, governance, economics, and health & population, along with cost-benefit ratios for each solution.

Leading economists offer expert analysis and policy proposals, while freely downloadable software allows readers to calculate their own spending priorities.

With this book as your guide, you can make a real difference in the world by investing your time and money where it will have the greatest impact.

Don't miss out on this opportunity to create a better future for all!