Robert (Bob) Scholes is a Professor of Systems Ecology at the University of the Witwatersrand. He has worked on the issue of climate change since 1990, and was a Lead Author on the Intergovernmental Panel on Climate Change (IPCC)’s influential assessments in 2000, 2007 and 2014. His specialty is the interaction between terrestrial ecosystems in Africa and the global climate, and he is widely regarded as a world expert in this field.