Green Party leader Elizabeth May says the Harper government’s latest treaty pullout is turning Canada into the “North Korea of environmental law” as the opposition angrily denounced the move to withdraw from a UN convention that fights droughts in Africa and around the globe. “So upset Harper pulled us out of another global [environment] treaty. He’s making us a rogue nation. The North Korea of environmental law,” May tweeted Thursday. Heritage Minister James Moore called May’s tweet “classy.” Canada quietly became the first and only country to drop out of the UN convention on drought prevention, which actually caught officials...