NbS Triple Win Toolkit: Economics and Finance 65 Consultation and Net Zero (WEF and McKinsey, 2021) Global Various NbS interventions Grey literature 10 Range from $2 - 80/tCO2e(USD). Significant estimates are: Avoided deforestation in DRC and Bolivia ($10/tCO2e[USD]) Cost estimates based on 1) land costs, 2) initial project costs, 3) recurring project costs, and 4) carbon credit monetisation costs.