Can Africa overcome its long-term drought and population problems? What are the costs and benefits of protecting the tropical rain forests in South America from development? How will strategic arms-reduction treaties affect the economies of America and Russia? Is there a three-way trade war brewing between Japan, the EC and America? This is a computer-simulation exercise designed to survey a wide range of future alternatives in international relations. It focuses on 67 key variables in ten geographic regions, which can be manipulated to produce a large number of future scenarios in the realms of international security, economics and the environment.