Anna Aretha Sach is a PhD student at the University of Amsterdam. Her doctoral project is focused on understanding why people engage in climate activism. She is supervised by Dr Cameron Brick (lead), Dr Nils Jostmann and Dr Disa Sauter. She graduated a Master in Interdisciplinary studies in Environmental, Economic and Social Sustainability at the Universitat Autònoma de Barcelona, focusing on Political Ecology and sustainable mobilities. Previously, she completed a B.Sc. in Psychology at the University of Bonn, in which she focused on pro-environmental behavior and the support for radical climate politics.