As a corresponding member he worked with the Naturwissenschaftlichen Verein in Troppau, the Socíetas pro Fauna et Flora fennica in Helsinki und the Réal Sociedad Espanola de Historia Natural in Madrid.
In a protest against Arctic ice drilling a year earlier, members of Greenpeace had illegally boarded the multipurpose icebreakers Fennica and Nordica operated by the state-owned company Arctia Shipping under contract to the Royal Dutch Shell.