We know we need to switch to electric cars, but ultimately we also need to dramatically scale down the total number of cars. The most powerful intervention by far is to invest in affordable (or even free) public transportation, which is more efficient in terms of the materials and energy required to move people around. This is vital for any plan to get off fossil fuels. Bicycles are even better, as many European cities are learning (as I write this, Milan is handing over 35 kilometres of streets to cyclists, in a bid to keep pollution low after their coronavirus lockdown). And for journeys
...more
