最新报道:For seven decades, impoverished nations seeking to become wealthy have repeatedly turned to dams. For the post-independence leaders of Egypt and Ghana in the 1950s, hydropower and sovereignty were inextricably linked. Building large-scale irrigation and power projects on the Nile and Volta rivers was a prerequisite if they were to catch up with their former colonial masters. This connection persists today: Today, four of the six largest users of hydropower are Brazil, Russia, India, and China, the BRIC nations synonymous with rapid economic development.