High Rises Are Not High Density - Metropolis

Housing Density: From Tenements to Towers at the Skyscraper Museum shows how New York City became de-densified.

The world is in the midst of a city-building boom

Population Density

Carol Willis's Instagram, Twitter & Facebook on IDCrawl

Metropolitan Area, Definition & Example - Lesson

Green Architecture: How Our Cities Are Getting in Touch with Nature

As Miami Keeps Building, Rising Seas Deepen Its Social Divide - Yale E360

Tower block - Wikipedia

Barcelona, History, Map, Population, Climate, & Facts

Super-tall, super-skinny, super-expensive: the 'pencil towers' of New York's super-rich, Cities

High Rises Are Not High Density - Metropolis

New York's Rats Have Already Won - The Atlantic

What's the Difference Between a Megacity, a Metropolis, a Megalopolis and a Global City?

You don't have to build up or move out to tackle urban density

Why Efficient Skyscrapers Will Be Essential To Cope With Growing Urban Populations