Canada

From March 2012 World Rivers ReviewNistowiak Falls, Churchill River. The river has seen two-thirds of its flow diverted for hydropower. Photo ©: Ross Barclay Canada is a nation of wild, legendary rivers. From east to west to north, dozens of huge, storied rivers empty into the country's identity, flowing through the landscape, history and imagination of the nation. Canada is also a nation of river-tamers. While Canadians revere their waterways, they also dam them. Canada is a “hydro superpower.” Almost 60% of Canada's electricity supply comes from dams, compared to just 16% globally. O