This report was prepared by the UN EMG's Issue Management Group on Green Economy to assess how the United Nations system could coherently support countries in transitioning to a green economy. The report aimes to facilitate a common understanding of the green economy approach and the measures required for the transition. This report was written in the run-up to the 2012 UN Conference on Sustainable Development (Rio+20), where one of the themes was "green economy in the context of sustainable development and poverty eradication".