Nationally appropriate mitigation actions (NAMAs) were introduced in Bali in 2007 and they continue to be an important item on the agenda of climate policy negotiators and practitioners. This report presents a snapshot of the state of play for NAMAs. The data presented show a significant uptake in NAMA activities in the last six months. It presents an overview of new submissions to the UNFCCC, of actual NAMA activities around the world and a review of ongoing support activities to prepare for NAMA development and implementation. A key feature of the report is a discussion on the current policy debate on NAMAs, which highlights areas where more insight, clarity or action is required.