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...

Climate change is a major threat to the sustainability and inclusiveness of our societies, and to the planet's habitability. A just transition to a low-carbon economy is the only viable way forward. This paper reviews the climate change challenge. It stresses the criticality of systems changes...