they might yield major ghg reductions but at the cost of considerable social upheaval as well as removing what can be the ecologically optimal use of rangelands indeed this proposal faces so many cultural constraints that it is probably the clearest example of the need to conduct environmental and social impact assessments esias of all the crge proposals to ensure they are both doubly green and inclusive the methodology is certainly credible with its roots in ipccled assessments and potentially rewarding with its tendrils in new international climate finance