The Dynamics of Global Urban Expansion
Download The Dynamics of Global urban Expansion.
Many urban reports have drawn attention to the global trends of urbanisation, particularly in Africa and Asia. However, a recent report commissioned by the World Bank has vividly demonstrated the impact at city level of these global trends. Co-authored by Solly Angel, Stephen Sheppard and Daniel Civco, the Dynamics of Global Urban Expansion examined a sample of 90 cities from all over the world.
Some of the most important policy messages contained in the document are:
- Although many governments have attempted to control rural-urban migration flows, most, if not all, of these have ended in utter failure;
- Urban densities in all regions are decreasing over time; If average densities continue to decline at the annual rate of 1.7% (as they have over the past decade), then the doubling of the developing world's urban population by 2030 will result in a tripling of their built-up areas.
- The central message of the report is clear: Developing country cities should be making realistic plans for urban expansion, investing in trunk infrastructure and protecting sensitive land from incursion.