In this ambitious, challenging, yet superbly readable book, Jean-Francois Rischard first tells us what constitutes a "global" problem and then offers a brief overview of the twenty most important. He finds they all have two things in common: They're getting worse, not better, and the standard strategies for dealing with them, such as international treaties, are woefully inadequate to the task. The chief problem is that in our high-population, fast-moving,...