According to the author, the 2020 collapse of the global economy due to Covid-19 pandemic has enabled us to think about long term trends and what the future could hold for our cities and regions, especially due to the climate agenda. Having as a starting point the current pandemic, this paper sets out the historical precedents for economic transitions after collapses that unleash new technologically based innovation waves.  These are shown to be associated with different energy and infrastructure priorities and their transport and resulting urban forms. Continue reading →