Reuters: Critics dismissed the pledge, noting Canada has no chance of meeting its existing 2020 target for cutting the output of gases widely blamed for global warming.
Canada's right-of-center ruling Conservatives say they will tackle climate change while avoiding measures that might kill jobs. The party has deep political roots in the west, where emissions are soaring as the oil-rich tar sands are developed.
As part of Friday's announcement, Environment Minister Leona Aglukkaq said the government...