The report offers an overview of experiences in France and the United Kingdom as regards efforts to promote sustainability in agriculture. It also identifies international policy constraints on national efforts to promote sustainability. In addition, it explores opportunities for and threats to the promotion of sustainability, in the context of international trends (e.g. market conditions and changes in consumer demands). A series of considerations for policy making is presented, emphasising the contribution of policy making (at national and EU levels), in an effort to promote sustainability in agriculture.