He was thesis supervisor of over 30 PhD and MSc students and has authored or co-authored over 200 scientific publications. He was chair of International Geosphere-Biosphere Programme (IGBP) Scientific Steering Committee (2005-2011). He has served in many international scientific committees, such as the UN Secretary-General’s High-Level Science Advisory Board on Global Sustainability (2013-2016). Currently, he is a member of the Joint Steering Committee (JSC) of the World Climate Research Programme (WCRP), and of the Rockfeller Foundation Economic Council on Planetary Health. He is a member of the Brazilian Academy of Sciences, the World Academy of Sciences (TWAS) and foreign member of the National Academy of Sciences of the USA. He has participated in many IPCC reports.