Globe and Mail: Environment Minister Leona Aglukkaq heads to the United Nations climate summit this weekend with no new targets and no commitment to action on Canada's fastest growing source of greenhouse gases in the oil sands, but with a pledge to crack down on a little-known chemical that represents a tiny portion of this country's emissions.
Ms. Aglukkaq will join global environment ministers in Lima next week as negotiators attempt to reach a draft agreement that would commit countries to aggressive action...