World affairs, diplomacy and trade are no longer solely the domain of nation-states, as cities are growing exponentially and some now have greater GDP’s than countries. Subnational governments and cities playing a growing role in the international arena, not least because two thirds of people will live in cities by 2050. Where nation-states are by nature competitive, independent and defined by rigid borders, cities tend to be co-operative and open and recognise interdependence and shared interests. In an interview with the Global Policy journal, Cara Stauß, the representative of Baden-Württemberg to the European Union, explores the role regions and cities can play addressing global challenges.  
https://www.globalpolicyjournal.com/blog/09/11/2018/think-local-and-act-global-conversation-ggf-2030-fellow-cara-stauss

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