精选优质文档-倾情为你奉上Few creations of big technology capture the imagination like giant dams. Perhaps it is humankinds long suffering at the mercy of flood and drought that makes the ideal of forcing the waters to do our bidding so fascination. But to be fascinated is also, sometimes, to be blind. Several giant dam projects threaten to do more harm than good.The lesson from dams is that big is not always beautiful. It doesnt help that building a big, powerful dam has become a symbol of ach
