Dr Rolf Jucker is currently Director of the Swiss Foundation for Nature-based Learning (SILVIVA) and a learning for sustainability expert, having previously served as Director of the Swiss Foundation for Environmental Education from 2008 to 2012. He gained an MSc in Education for Sustainability (EfS) and has worked and published extensively on education for a viable future. Dr Jakob von Au currently works at the Englisches Institut Heidelberg as a teacher and at the University of Education Heidelberg, Germany, as a lecturer in Outdoor Teaching and Education for Sustainable Development. He wrote his PhD on Outdoor Learning and is the co-editor of the first substantial collection of research on outdoor-based learning in German