Associated Press: In a shift in strategy, the company that wants to build an oil pipeline from western Canada to Texas said Tuesday that the project will have no measurable effect on global warming.
Alex Pourbaix, TransCanada's president for energy and oil pipelines, said opponents of the proposed Keystone XL pipeline have grossly inflated its likely impact on emissions of greenhouse gases that contribute to global warming.
Canada represents just 2 percent of global greenhouse gas emissions, Pourbaix said at...