Yale Environment 360: By most measures of environmental policy and progress, Ontario, Canada ranks well. Over the last half-century, Canadas most populous province required cities and industries to treat every gallon of wastewater, dramatically reduced the level of sulfur and other pollutants that caused acid rain, and convinced the big and politically powerful pulp and paper industry to install state-of-the-art emissions control equipment.
Next year, though, Ontario is scheduled to complete a 21st century environmental...