Science Essential ReadingThe Economics of Climate Change: The Stern Review (2006) by Nicholas Stern Intergovernmental Panel on Climate Change (IPCC) IPCC First Assessment Report: Climate Change 1990 (FAR) IPCC Second Assessment Report: Climate Change 1995 (SAR) IPCC Third Assessment Report: Climate Change 2001 (TAR) IPCC Fourth Assessment Report: Climate Change 2007 (AR4) IPCC Fifth Assessment Report: Climate Change 2013 (AR5) IPCC Sixth Assessment Report 2021: The Physical Science Basis Additional Reports Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES)