Senate Bill 1 would require state agencies to cut 30 percent of regulations within three years, or eliminate two for every new one implemented.
As students strike for climate change action, a poll shows most Ohio adults favor carbon regulations and clean energy.
Sponsors tout economic development potential, but critics question the benefits and risks to taxpayers.
The economy can grow while emissions from fossil fuels fall, but policy matters, said experts at an international science conference this month.
Combining the capability to make fuel for nuclear reactors and material for weapons undercuts nonproliferation efforts, critics say.