The increase of heat wave events, both in frequency and intensity, due to Climate change is threat for all cities around the world. But those cities that are already exposed to extreme climate conditions such as desert cities or cities on a hot and dry continent such as Sydney, are already experiencing already today what others might think of a theory future.
Without doubt, people will need to live in cities as this is the only economic and ecological reasonable solution to give home to billions of individuals. But to make sure that the living conditions in urban areas will still be adequate in heat waves, rain storms or future climates, a radical rethinking of cities needs to be done. Many cities have already started this process, from Paris to Barcelona, by banning individual traffic and using the reclaimed open space for greenery or other usage that suits the men, not the car.
But we need to go further ahead at a speed that many people might not have seen realistic before COVID-19 showed us, what is possible.