“Advanced” isn’t the answer — New reactors as an answer to climate change are an illusion The study’s conclusion is that pursuing “advanced” nuclear reactors is too slow, too resource-intensive and too dangerous and won’t result in improvements over light-water reactors. The costs of these “advanced” reactors are too high to justify their flimsy promises of improvement over traditional light-water reactors, especially given that the time needed urgently to address climate change is extremely short. New reactors as an answer to climate change are an illusion 23 May 21, Next in Talking Points series showcases USC takedown of non-light-water reactor delusions While we support efforts to guarantee better public safety protections for the public from the current fleet of light-water reactors, the position of Beyond Nuclear is that no further development of LWRs should happen, but rather that the country must expeditiously move to a 100% nuclear power phaseout.