GENEVA The Yangtze River gets more than half of China's
industrial waste and sewage. Europe's Danube has lost most of its
surrounding wetlands. And the Rio Grande has become so shallow that
salt water is seeping in, bringing ocean fish that threaten
Pollution, global warming and rampant development could destroy
some of the world's most iconic rivers in the coming decades,
threatening to wipe out thousands of fish species and cause severe
water shortages, the ...