Simplify the following text for a Grade 14 native English-speaking person.
Original: Anti-nuclear campaigns that captured national public attention in the 1970s involved the Calvert Cliffs Nuclear Power Plant , Seabrook Station Nuclear Power Plant , Diablo Canyon Power Plant , Shoreham Nuclear Power Plant , and the Three Mile Island accident .
Simplified: Campaigns which captured national public attention involved the Calvert Cliffs Nuclear Power Plant , Seabrook Station Nuclear Power Plant , Diablo Canyon Power Plant , Shoreham Nuclear Power Plant , and Three Mile Island .