Duncan McLaren is a visiting researcher at Linköping University, Sweden, and Professor in Practice and Research Fellow at Lancaster University, where he examines the interactions between greenhouse gas removal and emissions reduction in climate policy. His PhD, completed in 2017, examined the justice implications of geoengineering. He is also a freelance researcher and writer on issues including justice, repair, sustainability, cities, climate change and energy. In his previous career, Duncan worked as an environmental researcher and campaigner, most recently as Chief Executive of Friends of the Earth Scotland from 2003 to 2011.