In Germany, Campact, BUND (FoE) and Ausgestrahlt are planning a major protest against nuclear energy on April 24. With support of other groups they hope to create a 120 km long human chain between Brunsbuttel and Kruemmel nuclear power plants.
See (in German) http://www.bund.net/nc/bundnet/presse/pressemitteilungen/detail/zurueck/pressemitteilungen/artikel/atomkraftgegner-planen-120-kilometer-lange-aktions-und-menschenkette/