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The public sector is a major purchaser for infrastructure materials and therefore is a critical potential buyer of products with recycled material or recovered content, diverting these from landfill, enhancing markets, and supporting recycling and recovery. Understanding barriers and drivers for the public sector is therefore critical, for enhancing procurement of goods with recycled material or recovered content. While most research has identified a range of barriers, other works have identified how these can be addressed and turned into facilitators for purchasing these goods. Synthesising the literature using as a systematic review, the drivers and barriers uncovered in past research allows us to explore how changes to the purchasing process can be undertaken, which address the Five core themes serving as both drivers and impediments: 1) procurement-function-related factors; 2) Organisational factors; 3) actual …