Canadian Documents Suggest Shift on Pipeline - NYTimes.com
▻http://www.nytimes.com/2013/08/26/business/global/canadian-documents-suggest-shift-on-pipeline.html?nl=todaysheadlines&emc=ed
OTTAWA — Ever since President Obama said in June that a litmus test for the proposed Keystone XL oil pipeline from Canada was whether it would “significantly” worsen global warming, Canadian government officials have insisted it would not.