(St. Paul, MN)  —  The University of Minnesota is reporting that it has cut climate-changing emissions in half since 2008.  The university has seen a 51-percent drop in greenhouse gases, largely based on energy efficiency and greener power.  The campus is number two in the Big Ten for carbon cuts.  The University also topped the state of Minnesota in its efforts.  The U disclosed in September that it plans to withdraw its investments from fossil fuel-related companies in five to seven years, after extensive student pressure.