José Goldemberg is a well-known author. He was rector of the University of São Paulo (USP) in Brazil, where he still lectures. He has served in key decision-making positions, including as Federal Minister for the Environment, Secretary of State for Science and Technology and, years later, for the Environment. A Visiting Professor at Princeton University and at the International Academy of the Environment in Geneva, he has chaired several important works, such as the UNDP's World Energy Assessment. He contributed to the Nobel-awarded International Panel on Climate Change (IPCC) and was recognized by Time Magazine as a 'Hero of the Environment'. In 2008, he won the Blue Planet Prize for contributions to the environment.
Oswaldo Lucon is graduated in Civil Engineering and Law. He has a PhD in Energy and a MSc in Clean Technology. Working in the environmental field in the last 20 years, he has contributed to Goldemberg's works since 2002, both at USP and for the government. He was lead author of the 2006 IPCC Greenhouse Gas Emission Inventory Guidelines and is now lead author of the Panel's Special Report on Renewable Energy Sources and Climate Change Mitigation. Presently he is Technical Advisor on Energy and Climate Change at the São Paulo State Environmental Secretariat, participating in international initiatives for sustainable energy.