Avoid dramatic changes in land use by achieving early emission reductions and achieving the 1.5 and 2 degree targets set by the Global Warming Prevention Paris Agreement without relying on large-scale carbon dioxide removal technology. However, research by Shinichiro Fujimori, Associate Professor, Graduate School of Engineering, Kyoto University, and Tomoko Hasegawa, Faculty of Science and Technology, Ritsumeikan University, has shown that the risk of hunger in the world can be reduced.
According to Kyoto University, the Paris Agreement, which was decided at the Conference of the Parties to the United Nations Framework Convention on Climate Change in 2015, will keep the average global temperature rise well below 2 degrees Celsius compared to before the Industrial Revolution, and will make efforts to suppress it by 1.5 degrees Celsius. There is.
However, there is no regulation on how to reduce it, and it does not deny the method of removing carbon dioxide by promoting mass cultivation and tree planting of energy crops in the latter half of the 21st century.However, it is feared that this method will increase the risk of hunger in the world due to the decrease in agricultural land area.
Therefore, the research group will find out what kind of impact will be on land use and food production if a method of achieving emission reductions at an early stage and maintaining virtually zero emissions for a long period of time without relying on carbon dioxide removal technology is adopted. analyzed.
The results show that dramatic changes in land use caused by the conversion of agricultural land to energy crops are avoided, with positive results such as reduced hunger risk, lower food prices and lower irrigation water demand. ..
Paper information:[Nature Sustainability] Land-based implications of early climate actions without global net-negative emissions
