New toy

Google's Ngram Viewer is the toy of the week. My first try came up this way.

"Urban sprawl" was trumped by "global warming" which was overtaken by "climate change" in the early 1990s. "Sustainability" beat both but could not keep up with "sustainable".

But where will they go? What's next? Ngram futures markets?

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Here are five ways that have been used to describe cities and urban life.