A-io has heavy regulations and taxes to ensure ecological preservation

Source: the dispossessed by ursula k leguin p119 Explanation of why the world in A-io is sxo well preserved: heavy regulations and taxe. So not a free market hell, more like an England perhaps. A-io "leads the world," and they'ved moved beyond the edcological excesses of previous centuries. THeir metal shortage is sovled by miens on Annares. So the things that are ecologically harmful are only available to the rich of course.