Business Green: Canada’s House of Commons passed a bill last week that would reduce greenhouse gas emissions 25 per cent below 1990 levels by 2020. The Climate Change Accountability Act, or Bill C-311, would be Canada’s sole climate change legislation, mandating the government to set regulations to meet the stringent targets. The bill, introduced for a second time by the New Democratic Party of Canada, would also punish polluters who break the rules, publicise five-year target plans, and …