Not evidence of relative magnitude, but here's a high profile green org that is explicitly anti-nuclear: https://www.greenpeace.org/usa/nuclear-power-is-a-losi

Not evidence of relative magnitude, but here's a high profile green org that is explicitly anti-nuclear: https://www.greenpeace.org/usa/nuclear-power-is-a-losing-proposition/ https://www.greenpeace.org/usa/nuclear-power-is-a-losing-pro...