WTTC Global Summit to debate tourism sustainability challenges News, Original SourceBy AcclarioMarch 29, 2018 March 30, 2018 | Filed under: Industry News | Posted by: Siobhan O’Neill People Award finalists Cayuga Collection The World Travel & Tourism Council (WTTC)’s 2018 Global Summit takes place in Buenos Aires, Argentina in April and will look at destination management and sustainable jobs amongst other issues.