Traffic congestion, fuel consumption, and emissions also offer quantifiable performance indicators, making mobility uniquely ...

In the world’s fast-growing cities, everything from road congestion to public safety is under pressure. As populations swell and infrastructure ages, many urban centres are at a breaking point. Yet ...

Understanding how cities grow is vital for shaping sustainable urban futures—but mapping the true extent of urban expansion remains a formidable technical hurdle. A new global study takes on this ...

Urbanization is reshaping economies and societies worldwide. More than half of the global population now lives in cities, a share expected to reach 68 percent by 2050. Cities generate about 70 percent ...