Humanity and its relationship with the environment is an important topic at the intersection of science centres, civilization museums and natural history museums. To understand this complex relationship, we must use multidisciplinary approaches. Currently, we all know humans are changing climate on the earth and this change has a big impact on biodiversity and more and more peoples’ lives. Helping visitors understand these issues is key to proposing a new pact between humanity and nature. How big is our ecological footprint ? How can we lessen our impact? Can we solve global pollution? How can we understand the relations between mankind and the earth? How do we inspire the visitor to take action on a personal level? We must create innovative projects of exhibitions or museums to help visitors make sense of these questions. Speakers will show how new projects in Europe can serve as examples to illuminate different aspects of these themes.