Investments in sustainable infrastructure are lagging behind the needs described and those that are being made are not as sustainable as they should be. This is partly because such infrastructure is long-term, requires large upfront investments, and generates cash flows only after many years. The report Delivering On Sustainable Infrastructure For Better Development And Better Climate assesses the constraints that are holding back the scaling of sustainable infrastructure and how to vastly expand infrastructure while avoiding the mistakes of the past.
This review The Nexus Between Infrastructure And Environment: From the Evaluation Cooperation Group of the International Financial Institutions was commissioned by the Evaluation Coordination Group (ECG) to evaluate members' experiences regarding the detrimental impacts of infrastructure on the environment and to enhance infrastructure's positive contribution to the environment. It finds that a more proactive and comprehensive approach, addressing nexus issues at the project level as well as at sectoral and national levels, is needed.

International Trade and the Transition to a More Resource Efficient and Circular Economy highlights the potential interaction of international trade and the circular economy in order to map out potential issues to address and to guide further research areas to explore on this topic.

The study China's National Emissions Trading Scheme: Integrating cap, coverage and allocation explains the approach implemented in China's national Emissions Trading Scheme (ETS) to integrate its cap, coverage, and allocation. The combination of top-down and bottom-up approaches is designed in a way that it addresses China's economic, technical and bargaining costs issues. Furthermore, it also discusses the challenges of the implementation of this combined approach and puts forward the relevant policy suggestions.

Economic and Financial Challenges to Scaling Up Sustainable Cocoa Production in Côte d’Ivoire proposes technical and financial solutions to scaling up sustainable cocoa production models that incentivise and support new production approaches at all levels of the cocoa production chain. These solutions were developed on the basis of the pilot experiences of three actors in the cocoa sector.