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Achieving Paris Agreement temperature goals requires carbon neutrality by middle century with far-reaching transitions in the whole society

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Advances in Climate Change Research 2021年第2期12卷 281-286页

作者： HUANG Meng-Tian ZHAI Pan-Mao State Key Laboratory of Severe Weather Chinese Academy of Meteorological SciencesBeijing100081China

The concept of carbon neutrality is much emphasized in IPCC Spatial Report on Global Warming of 1.5C in order to achieve the long-termtemperature goals as reflected in Paris *** keep these goals within reach,peaking the global carbon emissions as soon as possible andachieving carbon neutrality are urgently ***,global CO_(2)emissions continued to grow up to a record high of 43.1 Gt CO_(2)during2019,with fossil CO_(2)emissions of 36.5 Gt CO_(2)and land-use change emissions of 6.6 Gt CO_(2).In such case,the global carbon emissions mustdrop 32 Gt CO_(2)(7.6%per year)from 2020 to 2030 for the 1.5C warming limit,which is even larger than the COVID-induced reduction(6.4%)in global CO_(2)emissions during ***,China has announced scaling up its national commitments,aiming to peak its CO_(2)emissionsbefore 2030 and achieve carbon neutrality before *** these goals requires rapid and far-reaching transitions in the whole *** one hand,deeper emissions reduction in all sectors includes decarbonization of energy,electrification,increasing share of renewables,energyefficiency,sustainable land management,decarbonization of transport,reducing food loss and waste,as well as behavior and lifestyles *** the other hand,possible actions by removing CO_(2)from the atmosphere involves enlarging land and ocean net carbon sink,CO_(2)removaltechnologies(such as Bioenergy with carbon capture and storage),and CO_(2)capture,utilization and storage technologies,but should be cautionfor their scales and tradeoffs.

关键词： Carbon neutrality Carbon emissions peak Climate change Paris agreement green recovery COVID-19 pandemic

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