The authors assess the role of the multilateral development system and the reforms needed to support the new global agenda. There is an urgency to the reforms. The coming decades will see the largest urban expansion in history. More infrastructure needs to be built in the next 15 years than the...

The authors propose a policy package of low-carbon growth stimulation through a steep increase in sustainable infrastructure, mobilizing sustainable finance, and adoption of carbon pricing to simultaneously achieve the objectives of the Paris Agreement and the Sustainable Development Goals.