The article titled “Green Public Procurement and Sustainability: Challenges and Opportunities” explores the potential of green public procurement (GPP) to promote sustainability and reduce the environmental impacts of public sector activities. The authors argue that GPP can play a key role in promoting sustainable consumption and production patterns, reducing greenhouse gas emissions, and promoting circular economy practices. The article examines the challenges and opportunities of implementing GPP, including the need for institutional support, the complexity of procurement processes, and the lack of awareness and expertise among procurement professionals. The authors also discuss the potential benefits of GPP, including cost savings, improved environmental performance, and the promotion of sustainable innovation. The article concludes by highlighting the importance of promoting GPP and other sustainable procurement practices to support the transition to a more sustainable and resilient society.