Nearly 55% of those emissions come from the âEnergyâ category, making it a priority sector for the implementation of mitigation options by the Republic of Djibouti. Figure 1: With no mitigation measures, the GHG emissions level will double by 2030. * Compared to emissions levels according to the business-as-usual scenario. GHG emission projections through 2030 excluding the âLand Useâ category Business-as-usual scenario Unconditional mitigation scenario Conditional mitigation scenarioEmissions - Business-as-usual scenario (in kt e) Emissions - Unconditional mitigation scenario (in kt of CO2 e) Emissions - Conditional mitigation scenario (in kt of CO2 e) * Compared to emissions levels according to the business-as-usual scenario. Assumptions and methodological approaches Model and methodology for estimating emissions The business-as-usual scenario was developed using the GACMO model and on linear sectoral projections.