Triumph of the City: 8 key ideas
The core ideas of Triumph of the City, each in under a minute, written in our own words. Want the full depth? Get the book.
- IDEA 1 OF 8
Cities make us richer and smarter
Glaeser, an economist, argues that cities are humanity's greatest invention.
By bringing people close together, they help ideas spread, encourage innovation and create wealth. In his view, the closeness that cities create is what makes them so productive.
- IDEA 2 OF 8
Density spreads ideas
Glaeser explains that when talented people live and work near each other, they learn from one another.
Face-to-face contact, in his view, remains vital even in the internet age. Meeting in person still helps ideas pass quickly.
- IDEA 3 OF 8
Urban poverty can signal opportunity
Glaeser argues that cities often have many poor residents because they offer opportunities.
Poverty in cities, in his view, can be a sign of attraction rather than failure. People come to cities in hope of a better life.
- IDEA 4 OF 8
Some cities decline
Glaeser describes the decline of cities like Detroit, which depended on a single industry.
He argues that building new structures did not save them; people and skills mattered more. In his view, a city does best when its people can adapt.
- IDEA 5 OF 8
Indian cities show promise and problems
Glaeser describes cities such as Bangalore and Mumbai, which have grown rapidly.
He discusses both their economic energy and their struggles with infrastructure and slums. He sees both as part of the same story of fast and uneven growth.
- IDEA 6 OF 8
Slums can be ladders
Glaeser describes areas like Dharavi in Mumbai as places where poor migrants gain a foothold.
He argues they can be steps towards a better life. In his view, cities that let newcomers arrive help families move up over time.
- IDEA 7 OF 8
Sprawl has costs
Glaeser argues that suburban sprawl encourages car use and higher energy consumption.
Dense cities can be greener. Spread-out living means longer trips and larger homes to heat and cool, so more energy is used by each person.
- IDEA 8 OF 8
Cities can be green
Glaeser argues that city dwellers often have smaller carbon footprints than those in suburbs or the countryside.
He sees dense cities as good for the environment. Shorter trips and smaller homes use less energy per person.
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