EcoWatch: Full production of the oil from tar sands in Canada would add 240 billion tons of carbon dioxide into our atmosphere, severely hampering any efforts to tackle global warming.
The U.S. Senate voted in support of the proposed Keystone XL tar sands pipeline on Friday, which would deepen our dependence on tar sands oil from Canada. The measure, introduced by Sen. John Hoeven (R-ND), signifies yet another attempt by Republicans to pressure President Obama to approve the TransCanada permit for the construction...