This assessment report provides background, baselines, trends and challenges that serve to identify the progress made in achieving sustainable development over a decade of rapid economic and social development in the Arab Region. It identifies the driving forces that are impacting the sustainability of our natural and cultural resources, as well as the challenges that must be addressed to strengthen progress towards sustainable development. A platform of priorities for action is also provided to identify the key components of sustainable development that should be addressed in the Region during the upcoming ten to twenty years.