Further, ways to address the identified barriers and challenges are proposed. This will help in the development of recommendations to policy makers, researchers, international organizations, and other stakeholders. The analysis in the following is based on the SWOT-assessment above, needs expressed in (l)NDCs, and an identification of the most common opportunities and barriers for implementation of best practices expressed by the regional experts in the four developing regions assessed in this report (SSA, SA, SEA, and LA).