Edwin S. Lyman is a UCS physicist and nuclear-safety expert, shaping policy on reactor safety and proliferation; author and cited analyst on Fukushima.
The Nuclear Regulatory Commission has proposed replacing the long-standing ALARA principle with a graded approach, maintaining existing dose limits while tightening actions based on potential radiation exposure. The move comes amid a push from the Trump administration to expand U.S. nuclear power, with officials arguing the change clarifies safety requirements. Critics warn potential dose creep toward limits.