Scientists from Berkeley Lab contributed to landmark climate change reports published between 2018 and 2022. Their work laid the foundation for a new Intergovernmental Panel on Climate Change report urging nations to cut greenhouse gas emissions in half by 2030. Top row, left to right: Bill Collins, Stephane de la Rue du Can, Nina Khanna. Bottom row, left to right: Charles Koven, Chaincy Kuo, Michael Wehner, Nan Zhou. (Credit: Jenny Nuss/Berkeley Lab)