Original sentence: Proponents  have argued these concerns are overblown since no commercial nuclear reactor in North America or Western Europe has ever experienced a loss of containment  or even a significant leak of radiation.There is often stiff opposition to nuclear power though due to concerns about nuclear waste, nuclear accidents, radiation and nuclear proliferation due to the fact that nuclear devices have not enjoyed a safe history at United States facilities as well as a whole history of nuclear and radiation accidents worldwide
Edited sentence: Some have argued these concerns are overblown since no commercial nuclear reactor in North America or Western Europe has ever experienced a loss of containment or even a significant leak of radiation.There is often stiff opposition to nuclear power though due to concerns about nuclear waste, nuclear accidents, radiation and nuclear proliferation