In our world today fleeing from war, migration, poverty, hunger and climate change are topics that concern us all and call us to action. It is our task to reflect on e.g. our use of energy and natural resources. Each and every person can decide how much energy he uses or if he buys fair-trade products or not. This inevitably leads us to the following question: “What can every individual in our society do to contribute to a more ecological, just and social world?” The goal of the project “Exploring the Sustainable Development Goals” is to answer this question. In the course of the project we want to explore the topic of sustainability from different perspectives with 18 pupils from Germany, Italy, Great Britain and Turkey. The focus is on the sustainable development goals which are the core themes of sustainability itself: Health, climate protection, sustainable consumption, sustainable production, global justice, … The goal is to learn about how to act in a sustainable manner with regard to the future as well as to reflect on their use for our own behavior. Through a combination of analysis an practical projects the 14 to 20 year old learners are meant to become ambassadors for a more ecological, just and social world. In this way the pupils will be part of the process of change towards a culture of sustainability. As a result of the joint activities, a public TwinSpace is created in which all project activities and results are documented.