How would it help the Earth if they invented big air purifiers?
Like not ones that go in your house, because, they already exsist. I mean if they invented ones that were as big as an electrical post in a city. How would this improve the air?
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it would remove the toxins found in the air, but what help would they really be if the air is CONSTANTLY being being polluted with cars, factories, etc……?
it would use electricity, so it would not