been used worldwide has saved 1.8 million lives by producing zero air pollution energy. and he says that if we expand it we'll save another 7 million lives. those numbers have to be convincing for people that care about climate change. >> there's still radiation. >> tell that to the fukushima area, the chernobyl area. tell it to the areas where hundreds of square miles are now uninhabitable. the atomic energy commission in the 1950s, michael, said that a class nine accident in the u.s. would contaminate an area quote the size of pennsylvania. you don't want to have an energy source that has one bite of the apple. you have a disaster whether it's due to sabotage, earthquake, horrendous hurricane or human error or design defect. any of those. if you have one major disaster, it will affect all other nuclear plants. you know that. >> this fear mongering that you've been doing for 40 years has been effective in halting the growth of nuclear energy.