We can now watch 6,000 years of urban settlements and movements unfold on our computer screens.
Kanishk Tharoor shares news of recent research, published in the journal Scientific Data, that "transcribed and geocoded nearly 6,000 years of data (from 3700BC to AD2000)" to create the a "digitised database of city populations through world history."
In fact, "[t]he resulting dataset – available for free online – bills itself as 'a first step towards understanding the geographic distribution of urban populations throughout history and around the world'."
As these things work nowadays, that research allowed an intrepid blogger to create a visualization of all that data, which is also free to watch at the Metrocosm website.
Read the full story: The rise and fall of great world cities: 5,700 years of urbanisation – mapped
Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.
California plans to bury El Niño’s downpour
If the state plays its cards right, it may be able to store a billion acre-feet of El Niño’s water in aquifers.
Chicago breaks ground on $3 billion megadevelopment
The new neighborhood, titled Foundry Park, will one day host 3,700 residences.
California High-Speed Rail Authority CEO resigns after $600,000 scandal
Under Ian Choudri, the authority used taxpayer dollars to fund first class flights and trips to nightclubs.
Want to study the Missouri River? Soon, you may need unanimous approval from 10 states
Legislation would require 10 governors’ permission to study or build projects moving water outside the basin.
Desperate measures: Advocates weigh draining Lake Powell to fill Colorado River
Draining the reservoir could reduce evaporation losses by a couple hundred thousand acre-feet.
FREE Course: Walkable City 1: Why Walkability?
After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.
Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold
The course focuses on the opportunities and imperatives that shape reinvention of mall sites.
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One Hundred Miles
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