Within this framework, Mauritania intends to meet part of its conditional adaptation ambitions on this type of process. Recent contracts signed for the introduction of new green hydrogen technologies are an example of this type of mechanism.Table 2: CBD mitigation measures 2021-2030 updated by sector (cost and cumulative reduction potential for the period) Sectors / Sub-sectors Contributions to total mitigation efforts Challenges / Constraints Recommended measures Energy â€¢ 37452.46 Gg Eq-CO2 of which 17.86% unconditional Renewable energy 31817.81 Gg Eq-CO2 of which 6.06% unconditional Energy efficiency â€¢ 5634.65 Gg Eq-CO2 of which 84.62% unconditional ENERGY (renewable and energy efficiency) either â€¢ Reliance on the