When our forefathers figured out a way to mine and burn fossil fuel to run machines, they built a network connecting all corners of the planet. Moving goods and people is now easier, faster, and cheaper than it has ever been before. Every one of us is a node in a wide transport network and a demand point in a global supply chain.
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!