Before revision: He is a fellow of the Global Land Programme (Scientific Steering Committee 2012-2017) of Future Earth and the Anthropocene Working Group of the International Commission on Stratigraphy, a Senior Fellow at the Breakthrough Institute (and coauthor of the Ecomodernist Manifesto), and an advisor to the Nature Needs Half movement.
After revision: He is a fellow of the Global L, a former member of Programme (Scientific Steering Committee 2012-2017) of Future Earth and the Anthropocene Working Group of the International Commission on Stratigraphy, a Senior Fellow at the Breakthrough Institute (and coauthor of the Ecomodernist Manifesto), and an advisor to the Nature Needs Half movement.