Mauritaniaâ€TMs mitigation ambition CBD ambition 2021-2030 Mauritaniaâ€TMs updated CBD envisages a net reduction in GHG emissions from the economy of 11% in 2030 (green line) compared to the baseline scenario (BAU, blue line) with the countryâ€TMs own resources supported by international support comparable to that received up to 2020. With more consistent support, Mauritania could achieve its carbon neutrality, up to a reduction of 92% (red line) compared to the BAU. The overall cost of this ambition is estimated at US$ 34255 million, of which US$ 635 million is unconditional, or 1.85%.