Introduction: civil society and transnational action / John Clark -- Consumers unite internationally / Tasneem Mowjee -- Trade unions in a changing world: challenges and opportunities of transnationalization / Diego Muro Ruiz and Nuno Themudo -- Campaign to increase access to HIV/AIDs drugs / Tasneem Mowjee -- Jubilee 2000: laying the foundations for a social movement / Paola Grenier -- The age of protest: internet-based 'dot-causes' and the 'anti-globalization' movement / John Clark and Nuno Themudo -- World social forum: making another world possible? / Günther Schönleitner -- Campaign for a 'Robin Hood tax' for foreign exchange markets / Diego Muro Ruiz