Rifkin answered: “Frankly, I think … it’s over. Let me explain why from a business perspective. Nuclear power was pretty well dead-in-the-water in the 1980s, after Three Mile Island and Chernobyl. It had a comeback. The comeback was the industry saying: ‘We are part of the solution for climate change because we don’t emit CO2. It’s polluting, but there’s no CO2.’

“Here’s the issue: Nuclear power right now is 6 percent of energy of the world. There are only 400 nuclear power plants. These are old nuclear power plants. But our scientists tell us [that] to have a minimum impact on climate change — which is the whole rationale for bringing this technology back — nuclear would have to be 20 percent of the energy mix to have the minimum, minimum impact on climate change — not 6 percent of the mix.

“That means we’d have to replace the existing 400 nuclear plants and build 1,600 additional plants. Three nuclear plants have to be built every 30 days for 40 years to get to 20 percent, and by that time climate change will have run its course for us. So I think, from a business point of view, I just don’t see that investment. I’d be surprised if we replace 100 of the 400 existing nuclear plants, which would take us down to 1 or 2 percent of the energy [mix].