Is restarting Three Mile Island really a good idea?

Nuclear power doesn’t add to greenhouse gas emissions. But tech companies racing to find new energy sources for A.I. arguably have better clean energy options.

By 2027, AI might use as much power globally as the entire country of Sweden uses now. As tech companies try to figure out how to run their data centers without trashing their climate goals, some are turning to a power source that would have seemed unlikely a few years ago: restarting old nuclear reactors.