GMO-free Regions Conference, Vienna, Austria November 2003
GMO-free Regions Conference, Berlin, Germany January 2005
GMO-free Regions Conference, Berlin, Germany January 2006
GMO-free Regions Conference, Brussels, Belgium April 2007
Planet Diversity World Congress on the Future of Food and Agriculture, Bonn, Germany May 2008
Food and Democracy, Lucern, Switzerland April 2009
GMO-free Regions Conference, Brussels and Ghent, September 2010
