ClimateWire: A Massachusetts Institute of Technology task force report called yesterday for the United States to create a few centralized storage sites for spent nuclear reactor fuel in the next decades, while researching new reactor designs that could reduce the challenges of permanent geological burial of nuclear wastes. The report, quot;The Future of the Nuclear Fuel Cycle,quot; co-chaired by MIT professors Mujid Kazimi, Ernest Moniz and Charles Forsberg, also concludes that worldwide supplies of …