This study analyses how sectoral approaches are evolving in existing and future mitiga-tion mechanisms, and how they can help shaping the transition period to a new climate regime most effectively. The analysis is based on an evaluation of recent UNFCCC sub-missions, a desk review of the relevant literature and databases, as well as a set of semi-structured expert interviews. The desk review is complemented by an analysis of a set of indicators regarding the potential of the identified sectoral elements standardized base-lines, programme of activities, sectoral crediting and trading, as well as domestic policy instruments for NMM/FVA and NAMAs, by differentiating and structuring the analysis according to various institutional, technical and political aspects. A reflection of relevant barriers for adoption of sectoral approaches, as well as opportunities to overcome them is provided together with a set of recommendations for political decision makers.