Lennart Olsson is Professor of Geography at Lund University and the founder of LUCSUS (Lund University Centre for Sustainability Studies), for which he was the director until August 2016. He was also the PI and coordinator of the 10-year Linnaeus Centre LUCID (Lund University Centre of Excellence for Integration of Social and Natural Dimensions of Sustainability) 2008 - 2018. His research fields include human-nature interactions in the context of land degradation, climate change and food security/sovereignty in Africa and globally. His current research focuses on the politics of climate change in the context of poverty, food insecurity and ill-health in sub-Saharan Africa and beyond. He has had research positions in Australia, USA and Hong Kong and participated in several international assignments including the IPCC and UNEP-GEO assessments. Most recently, he was coordinating lead author (CLA) for the chapter on livelihoods and poverty (Chapter 13) in IPCC’s 5th Assessment Report, WG II, 2011-14, and CLA for the chapter on Land Degradation in the IPCC Special Report on Climate Change and Land (2017-19)