Story perspectives

Disposable Cups Release Microplastics into Hot Drinks, Study Warns

1/15/2026

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Summary

Story summary

A new study warns that disposable plastic cups release thousands of microplastics into hot drinks.
Griffith University researchers reviewed 30 studies and found heat increases microplastic release from polyethylene and polypropylene.
Microplastic particles range from dust to sesame-seed size.
The United Nations Environment Programme (UNEP) notes 500 billion single-use cups are used annually and urges sustainable alternatives because microplastics can enter the human body and have been found in tissues.

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Story summary

A new study warns that disposable plastic cups release thousands of microplastics into hot drinks.
Griffith University researchers reviewed 30 studies and found heat increases microplastic release from polyethylene and polypropylene.
Microplastic particles range from dust to sesame-seed size.
The United Nations Environment Programme (UNEP) notes 500 billion single-use cups are used annually and urges sustainable alternatives because microplastics can enter the human body and have been found in tissues.