(CNN) --They're in our oceans, soil, air, snow -- and even in your cup of tea. Plastic tea bags are shedding billions of shards of microplastics into their water, according to a new study ...

They found that a single bag releases around 11.6 billion microplastic particles, and 3.1 billion even smaller nanoplastic particles, into the cup — thousands of times higher than the amount of ...

They’re in our oceans, soil, air, snow — and even in your cup of tea. Plastic tea bags are shedding billions of shards of microplastics into their water, according to a new study. Researchers ...