well its not very polluted but it does have global warming
There are "fine sandy gravel aquifers" everywhere and some of them may be polluted, but your question is too vague. You must at least state an area that you are talking about.
all of India is polluted
arctic
Condensation can be polluted by waste, toxic chemicals, and alcohol.
IMPURE
The city of Bakersfield, California is the most polluted city as of 2014. The second most polluted city in the state is Merced.
Rome, definitly. London is in England which, if i might say, is VERY polluted. Paris is okay but Rome is less polluted. (Not by far though)
One and only MUMBAI
um TX and CL
Iceland gets all its electricity from geothermal sources and is claimed to be the least polluted country in the world.
The river of the city of angels ,,, aka LA RIVER