Build our future electricity supply around hydropower

Although New Zealand and Washington are located half a world apart, they have lots in common — beautiful seashores, majestic mountains, crystal clear streams and lakes, and — vibrant salmon and trout fisheries.

Both are struggling to rid their air sheds of CO2 and other greenhouse gases coming from the burning of carbon fuels (coal, natural gas, gasoline, and diesel) in vehicles, home heating and...