Comedian Michael McIntyre claims it's Montreal.
On a more serious note.
The cleanest place on Earth is the world's largest and highest-energy particle accelerator, the Large Hadron Collider (LHC).
Built by the European Organisation for Nuclear Research, this colossal collider took 10 years to complete and sits beneath the Franco-Swiss border near Geneva.
In one way the question makes no sense, because "clean" is an ill-defined term.
One candidate might be computer chip factories, since even slight contaminants can ruin very expensive chips. Another might be biosafety level 4 laboratories, which work with agents which are known to cause severe to fatal diseases in humans and for which vaccines and other treatments are not available.
I think that Buckingham Palace is the cleanest thing in the world
From what I've seen, expensive model houses in nice areas are immaculate.
Every place on earth has a specific what?
Earth
The farthest North place on Earth is the North Pole.
No place on earth is immune to natural disasters.
Answerthe northernmost place on Earth is the North Pole!
The dog's mouth is not the cleanest place on earth because it has a lot of bacterias and the lick the part were they pea.
umm..... mostly the cleanest place on your face is kinds of behind your ear.
I think ashes are the cleanest natural thing on earth
Andaman and Nicobar Islands are cleanest place in India. No plastic or human litter has spoiled it there.
Ilocos Norte in the real and cleanest place and city in the Philippines....
no
There is no dust in Antarctica and no cold germs. Scientific 'clean rooms' could be cleaner than Antarctica.
New Zealand.
This is Calgary, in Canada
a toilet!The kitchen.
Singapore is mainly the cleanest in the whole world because if you litter there, the police can give you a penalty
Less of polution and cleanest earth.