The objective of this report is to contribute to the development towards a Circular Economy and is based upon a number of TemaNord reports on recycling of various materials commissioned by the Nordic Council of Ministers. This report contains synthesized knowledge on metals, biomass, building materials and plastics, from projects completed for the Environment and Economy Group (MEG) and the Nordic Waste Group (NAG). The findings in the TemaNord reports are presented to demonstrate the potentials, barriers and policy instruments in relation to increased recycling and improvement of the markets for recycled resources. The target group of the report is decision makers and other stakeholders searching for circular economy inspiration and knowledge.