Within the solar systme can you name two places might be able to form and survive in extraterestrial environments.

well most strong candidates for  all of the good satellite habitability were all  icy satellites and  Jupiter and Saturn—Europa and Enceladus , though if life dose exists in either place then they  would probably be confined to there  subsurface habitats.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.