l1994:
Environmental Information Law (EU Directive RL 90/313/EWG)
l1998-2001: Brandenburg, Berlin, Schleswig-Holstein
und NRW
l2005:
Federation (coalition parties)
l2006: Hamburg, Bremen, Mecklenburg-Vorpommern,
Saarland
l2007:
Thüringen, Sachsen-Anhalt, RLP