EMP attack could cause catastrophic meltdown of America's nuclear plants The federal agencies regulating nuclear power are scrambling to find a solution to a potentially devastating threat: meltdown of nuclear reactors at such plants stemming from an electromagnetic pulse (EMP) attack on the U.S. power grid.  The good news is that the issue and proposed fix are easy. The bad news is that there is growing concern that an EMP attack, either from a North Korean nuclear bomb or a solar storm, will occur first. According to reports federal nuclear regulatory officials are focusing on the cooling pools used to store spent fuel rods that are still very radioactive and could catch fire and explode, spewing radioactive fallout into the atmosphere and across North America. FULL REPORT