How to Fix Our Dam Problems

摘要

Thousands of aging dams should be repaired or destroyed, at a cost of billions. A cap-and-trade policy could speed the process and help pay the bills.rnCalifornia is the world's eighth largest economy and generates 13% of U.S. wealth. Yet Governor Arnold Schwarze-negger says high temperatures, low rainfall, and a growing population have created a water crisis there. A third of the state is in extreme drought and, if there's another dry season, faces catastrophe.