Takeaway coffee cups release thousands of microplastic particles

Fri, 16 Jan 2026 03:43:16 +1100

Andrew Pam <xanni [at] glasswings.com.au>

Andrew Pam
<https://theconversation.com/takeaway-coffee-cups-release-thousands-of-microplastic-particles-273348>

"It’s 7:45am. You grab a takeaway coffee from your local cafe, wrap your hands
around the warm cup, take a sip, and head to the office.

To most of us, that cup feels harmless – just a convenient tool for caffeine
delivery. However, if that cup is made of plastic, or has a thin plastic
lining, there is a high chance it’s shedding thousands of tiny plastic
fragments directly into your drink.

In Australia alone, we use a staggering 1.45 billion single-use hot beverage
cups every year, along with roughly 890 million plastic lids. Globally, that
number swells to an estimated 500 billion cups annually.

In new research I coauthored, published in Journal of Hazardous Materials:
Plastics
, we looked at how these cups behave when they get hot.

The message is clear: heat is a primary driver of microplastic release, and the
material of your cup matters more than you might think."

Cheers,
       *** Xanni ***
--
mailto:xanni@xanadu.net               Andrew Pam
http://xanadu.com.au/                 Chief Scientist, Xanadu
https://glasswings.com.au/            Partner, Glass Wings
https://sericyb.com.au/               Manager, Serious Cybernetics

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