GGRA03H3 Lecture Notes - Megacity, Edge City, Town Square
Document Summary
There"s a qualitative difference between 1 million people and 10 million people. Most of the megacities are in east and south asia. China and s. asia have huge concentration of megacities. Why is it important? it is increasing very quickly. 2025 there will be 27 megacities with 22 of them in developing countries. The challenges of urbanization, environment and governance is extreme. There are qualitative changes in the city: economic changes, pollution, land values, housing issues, governance issues. Plato said 50 000 (there is the chance for people to have collective decision making in the city square) When cities got big in greece ( they set up colonies to set up other cities and export growth of cities) After ww2, as we develop more data and monitoring about economics and technology, this question about what is a good size kept on coming up. Over a certain size there will be a diseconomy of scale.
