CALGARY—Alberta’s environment ministry has ordered Canadian Natural Resources Ltd. CNQ.T -1.39% Canadian Natural Resources Ltd. Canada: Toronto $ 32.53 -0.46 -1.39% Oct. 23, 2013 4:00 pm Volume : 3.75M P/E Ratio 25.41 Market Cap $35.88 Billion Dividend Yield 1.54% Rev. per Employee $2,474,870 10/23/13 Alberta Regulator Steps Up Pre… 10/10/13 Canada Stocks to Watch: Rogers… 10/04/13 Canada Stocks to Watch: Air Ca… More quote details and news » CNQ.T in Your Value Your Change Short position to speed its efforts to stop the spread of crude-oil leaks that have likely contaminated groundwater near a large-scale oil-sands project, a spokeswoman said Wednesday. The enforcement order, issued late Tuesday, puts added pressure on the company, whose Primrose-Wolf Lake production site has been plagued by a series of unexplained subterranean oil leaks dating back to May. “The order itself is because we wanted them to immediately begin the work,” said environment ministry […]