The scientists found that some tea bags released approximately 1.2 billion particles of plastic into each drop—or milliliter—of tea when brewed in hot water.

A Canadian study from 2019 was the first to test nylon and polyethylene tea bags, revealing that they release a respective 11.6 billion microplastics and 3.1 billion nanoplastics—which measure ...

The microbiologists found that commercially available tea bags released huge amounts of plastic particles into hot water when brewed, experimenting on tea bags made from three plastics: polymers ...

In a 2021 study, researchers from Europe found plastic in five of six brands of tea bags they purchased in Ireland, four of which appeared to be made out of paper. “There are lots of little ...