This podcast and video investigates patterns of urban growth and how settlements in cities are changing.
What is urban growth?
Where is it happening most in the world?
What are the issues associated with urban growth?
By 2050 it is estimated that nearly 70% of the world’s population will live in cities, with 5.2 billion urban residents anticipated in Asia and Africa. Most of this growth will take place in medium-sized cities (cities with a population of 1-5 million residents).
These movements are some of the most important but least studied migration patterns across the globe. How will these cities change as a result, and how do geographers map this change?
The Migrants on the margins research team worked with the Satellite Applications Catapult to find earth observation data that showed how urban space and settlements in the four cities had changed over time.
Listen to Earth Observation Specialist Terri Freemantle in our Ask the Geographer podcast
Next section: What is internal migration?
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