The united states makes the most nuclear power of any country in the world, and it totals over 30 % of the world's nuclear electricity generation. We have two reactors here in america, but 12 have been shut down over the last ten years, and more are scheduled to be shut down too. A study by stamford and m i t showed that keeping the diablo canyon nuclear plant open until 20 35 would cut down on california carbon emissions by over 10%. And help alleviate brown outs.