Original sentence: Proponents believe that nuclear power is the only energy source that can be built out rapidly if fossil fuels become depleted through peak oil or discouraged because of environmental problems such as global warming.They believe Nuclear power generates relatively little air pollution
Edited sentence: Nuclear power generates relatively little air pollution.Proponents argue that nuclear power is the only energy source that can be built out rapidly if fossil fuels become depleted through peak oil or discouraged because of environmental problems such as global warming