What effect does Sulfur Dioxide (SO2) have on the human body?
Sulphur dioxide was responsible for what was called “acid rain” back in the 1960s and ’70s, where there was so much Sulphur dioxide from our burning of coal in power plants and from burning very dirty, high sulphur-content gasoline, that the amount of sulphur dioxide in the air, when it would rain, actually turned the rain acidic. And so as that very acidic rain came down on plants, it killed them; it literally ate them, oxidized them.