Urban areas are now home to more than half the population of OECD countries. Megacities like Tokyo with more than 35 million people and Mexico with about 18.5 million, and large agglomerations such as Montreal, Helsinki, Madrid and Stockholm are often called "engines of national growth." They...

Loss of biodiversity and pressures on ecosystem services are among the most pressing global environmental challenges. Changes in land cover and land use are the leading contributors to terrestrial biodiversity loss.

Cities are reinventing themselves to adapt and respond to their evolving contexts. One instrument that local government is leveraging is innovation. To understand how cities approach public sector innovation, the OECD and Bloomberg Philanthropies carried out a survey on innovation capacity...

In OECD countries, metropolitan areas often enjoy above-average rates of growth; they compete for foreign direct investment, have a leading position in the knowledge-based economy, and attract a disproportionately large share of immigrants. Yet they also are burdened with many problems including...

Core Cities is an association of eleven cities in the UK: Belfast, Birmingham, Bristol, Cardiff, Glasgow, Leeds, Liverpool, Manchester, Newcastle, Nottingham, and Sheffield. Altogether, Core Cities and their surrounding regions account for around one quarter of the UK population and economy....