Since the 1990’s, the countries of Eastern Europe, the Caucasus and Central Asia (EECCA) have made great progress in pursuing economic development that is also environmentally sustainable. The countries, in collaboration with the GREEN Action Task Force hosted by the OECD, has developed a number of policies aiming to improve environmental quality and social well-being, while creating opportunities for strong economic growth and decent jobs in the region. This report was prepared as the OECD contribution to the ninth “Environment for Europe” (EfE) Conference (5-7 October 2022). In this context, this report aims to: (i) take stock of progress on policy developments towards a green economy in the EECCA countries; (ii) showcase selected contributions from of the Green Action Task Force that integrate environmental and climate considerations into development pathways of the EECCA countries, and mobilise finance for action; and (iii) provide an outlook for the future, including priority actions that the Task Force in co-operation with the EECCA countries should take to enhance the momentum for green economy transition in the region.