America's 13 Most Endangered Rivers: Can they the saved?

摘要

Peter Lourie, a chronicler of river life, says that rivers are living mysteries, linking the past to the future. Today, that link has been largely broken. Through damming, dredging and channelization, we have changed the way rivers flow-diverting water to generate hydropower, support navigation and irrigate crops. Half of our drinking water still comes from rivers yet non-point source pollution poses an ongoing threat.