The Office of Management and Budget on Tuesday backed off from a proposed change to the federal definition of “city” that could have scrambled billions of dollars in federal spending for more than 100 ...

This is your first of three free stories this month. Become a free or sustaining member to read unlimited articles, webinars and ebooks. What, practically speaking, is a city? The answer to that ...

This month, a group of urban thinkers from the United Nations, the European Commission and other organisations are meeting in Brussels to continue a curiously complex attempt: Developing a universal ...

How tall is every building in the world? Why do cities grow? How many cities are there in the world? If a house is surrounded by a large yard, should the property be considered predominantly built-up ...