The inspector general for the U.S. Department of State has launched an inquiry that will examine whether an environmental impact statement issued last month in support of the proposed Keystone XL pipeline violated federal laws. The report was approved by the State Department but conducted by a contractor, Cardno Entrix, which has close ties to TransCanada, the company behind the Keystone XL project. The pipeline would carry oil more than 2,000 miles from Canada's tar sands fields to refineries in the southern United States. It has been the subject of two major demonstrations in Washington, D.C., including one with as many as 12,000 protesters on Sunday.
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