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A comment on Canada aims to ban single-use plastics by 2021. Parent comment
I edited my comment so be more precise. They don't seem to have a function to reduce health risks.
> #5 Most cigarettes butts are not brown at least in my megacity. White is more popular.
Well, the color change is about the change in color when used (not the initial color).
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I edited my comment so be more precise. They don't seem to have a function to reduce health risks.
> #5 Most cigarettes butts are not brown at least in my megacity. White is more popular.
Well, the color change is about the change in color when used (not the initial color).