Designed to be a truly diverse exeprience, this of the International Summer School took place online between July 19 and 30, 2021, with participants of 12 different nationalities from Ghana, Indonesia, the UK, Peru and many other countries. Participants learnt about sustainable businesses and how they are creating impact both in the Global North and the Global South. They received hands-on training, lectures and workshops on differents aspects of business model development and worked in team on their own sustainably-oriented business ideas, took part in pitching session.