"Irresponsible" that phrase adequetly covers certain current US nuclear plants upkeep and safety records and the people who are involved in those aspects.
The security risks aren't just bad upkeep, the security risk starts right at the mine, refining plants, various modes of transportation, the plant itself, the waste material waste storage, 1000s of employees. You just don't get catastrophic risks (nuclear war, nuclear meltdown, radioactive contamination, nuclear terrorism. ) like nuclear ones with the various alternative energy sources.











