Based on your current actions how many pounds of CO2 omissions do you avoid each year ? If you take the additional actions that you said you would in the quiz, how many additional pounds of CO2 emissions could you avoid per year?

for the points

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.