Car-free mobility only for the cities?
Better think twice!
Not so long ago, Air pollution dropped across the world during the quarantine decreed because of COVID-19, with outstanding images illustrating the considerable drop in CO2 emissions. The drop in nitrogen dioxide emissions across the planet was caused mainly by the new behavioural changes; over a number of months, there were hardly any cars on the streets in cities in which the authorities had decreed confinement. In China, CO2 emissions dropped by 25% in March 2020!