The 2015 United Nations Paris Agreement on Climate reinforces actions to conserve and enhance forests as carbon reservoirs. A decade after sub-national demonstration projects to reduce emissions from deforestation and forest degradation (REDD+) commenced, we examine why many REDD+ schemes appear to have fuelled social conflict while having limited success in addressing the drivers of forest loss and degradation. Our analysis is two-tiered: first we synthesise findings from a set of ethnographic case studies of REDD+ in Mainland Southeast Asia, conducted by the authors; second, we explore whether the insights from our regional synthesis apply globally, through a comparative review of published qualitative research on REDD+ field experi...