Originally Posted by
Ekdog
You don't think bicycles are sustainable?
Technically not, but we can get away with making them for thousands more years than we can get away with making cars. Norse history in Greenland proves this; fearsome Vikings stopped being able to smelt iron, and were reduced to using bone tools and weapons. Modern bikes use lots of metal and plastic, which isn't great for the planet. It might take an air-conditioner
days to do the same kind of damage!