chapter 2.2), the estimated total sink in the land sector (forest and agricultural land) at optimal and sustainable performance, added to an estimated capture and storage sink, would only allow us to balance these residual non-energy emissions and the residual emissions from fossil fuels retained for part of the transport sector (national air and international transport). 174 See INRA study âstocker du carbone dans les sols franÃ§ais â quel potentiel au regard de l objectif 4 pour 1000 et Ã  quel coÃ»t ?â (âStoring carbon in French soils - what potential with regard to objective 4 per 1000 and at what cost?â) - July 2019 National low carbon strategy - March 2020 167/176Sinks and greenhouse gas emissions in France in 2050 according to the baseline scenario The optimised mobilisation of carbon sinks is therefore an essential lever for achieving carbon neutrality by 2050.