Demonstrators rallying against the proliferation of nuclear weapons gather along on Seventh Avenue near Times Square as they prepare to march towards United Nations Headquarters May 2, 2010 in New York. The anti-nuclear movement in the United States has used a variety of protest tactics, particularly illegal occupations of nuclear plant sites, to present its case to the public: Arising from the failure of established environmental organizations and citizen groups to have the courts and regulatory agencies end the construction and operation of atomic plants, the antinuclear movement has resorted to a variety of protest tactics, particularly illegal occupations of plant sites, to take its case to the public. By all accounts it has helped to make nuclear power an issue of local and national concern.