1 IPCC (2022). Climate change 2022: Mitigation of climate change – Technical summary, Working Group III contribution to IPCC sixth assessment report. Cambridge, UK: Intergovernmental Panel on Climate Change (IPCC). Available at: https://www.ipcc.ch/report/sixth-assessment-report-working-group-3/.
2 IEA (2021). Net Zero by 2050: A roadmap for the global energy sector. Paris: International Energy Agency (IEA). Available at: https://www.iea.org/reports/net-zero-by-2050.
3 The Introduction provides more information on how we define, identify and select the proven, frontier and horizon technologies showcased in the Green Technology Book.
4 Cozzi, L., et al. (2023). As their sales continue to rise, SUVs’ global CO2 emissions are nearing 1 billion tonnes. International Energy Agency (IEA). Available at: https://www.iea.org/commentaries/as-their-sales-continue-to-risesuvs-global-co2-emissions-are-nearing-1-billion-tonnes [accessed September 2023].
5 IPCC (2023). Synthesis report (SYR) of the IPCC sixth assessment report (AR6): Summary for policymakers. Geneva: Intergovernmental Panel on Climate Change (IPCC). Available at: https://www.ipcc.ch/report/ar6/syr/.
6 FAO (2023). Land use in agriculture by the numbers. Food and Agriculture Organization of the United Nations (FAO). Available at: http://www.fao.org/sustainability/news/detail/en/c/1274219/ [accessed May 2023].
7 World Bank (2023). Water in agriculture. World Bank. Available at: https://www.worldbank.org/en/topic/water-inagriculture [accessed May 2023].
8 Umali-Deininger, D. (2022). Greening the rice we eat. Washington, DC: World Bank. Available at: https://blogs.worldbank.org/eastasiapacific/greening-rice-we-eat?cid=SHR_BlogSiteEmail_EN_EXT [accessed November 2023].
9 Kurnik, J. and K. Devine (2022). Innovation in reducing methane emissions from the food sector: Side of rice, hold the methane. World Wildlife Fund. Available at: https://www.worldwildlife.org/blogs/sustainability-works/posts/innovation-in-reducing-methane-emissions-from-the-food-sector-side-of-rice-hold-the-methane [accessed July 2023].
10 WRI (2023). Our world in data: Emissions by sector. World Resources Institute (WRI). Available at: https://ourworldindata.org/emissions-by-sector [accessed June 2023].
11 This estimate relates to potential emissions reduction in buildings, overland transport and food by 2050 (high confidence).
12 IPCC (2023). Synthesis report (SYR) of the IPCC sixth assessment report (AR6). Summary for policymakers. Geneva: Intergovernmental Panel on Climate Change (IPCC). Available at: https://www.ipcc.ch/report/ar6/syr/.