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I think this is rather disputed. The 5g figure appears to have originated with Reuters Singapore based on an Australian study, and it's even pegged as a "conservatives estimate" therein. On the other hand researchers from Wageningen University & Research calculated that we ingest about 0.0041 mg microplastics particles a week (less than a ...


7

The study "Fine Particulate Matter Emissions from Candles" (viewable online) compared various candles. It found that the beeswax candle (called BW1 in the paper) emitted less PM2.5 (often considered the worst type of common air pollution) per wick than the paraffin candles, though it emitted far more when smouldering after being extinguished. The ...


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