The U.S. arm of the Stockholm Environment Institute (SEI) has been making news this week with a ‘new’ report claiming the Obama Administration drastically underestimated carbon emissions of the proposed Keystone XL pipeline.  The report seeks to make the case as to why the final portion of the Keystone pipeline system should not be built.

As tantalizing as the report sounds, supporters of the pipeline have been quick to point out the report is actually a recycled 2013 SEI report which the State Department took into account, and largely dismissed.

Read the full article at Forbes.