I think environmental damage scales directly with consumption of energy, whether it be to move mass or manufacture plastic. The sheer amount of consumption due to living far away from each other, with all the human mass, water, fuel, trash, machines, food, and everything else that has to move because of the distance people are from each other dwarfs everything else.

There is no “sustainable” world and a lifestyle that allows 8 billion people to have their own cars, fly to island vacations, and live in suburbia, with current energy transformation technology. Doing all the other things is a rounding error.

At the end of the day, the physics is simple. Moving mass a certain distance takes a certain amount of energy. Our current method of harnessing that energy results in a lot of byproducts, and we have yet to find alternatives with sufficiently better properties. Either we find that breakthrough technology, or reduce the mass and/or distance it is being moved.