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Hygiene

One glass, many mouths: why hygiene belongs in the plastic debate

Swapping plastic tumblers for a shared, unwashed glass trades a waste problem for a health problem. In schools and hospitals, that trade matters most.

MUSTHAV team · · 4 min read

Schoolchildren in uniform queuing at a school water point while one girl drinks from a steel glass

Most conversations about plastic tumblers are about waste. And the waste is real: only 9% of the world’s plastic waste is ultimately recycled, while 22% is dumped, burned in the open or leaked into the environment.[1]

But the most common alternative to a plastic tumbler isn’t a gleaming reusable glass. In many schools, hospitals and community kitchens it’s a single steel tumbler at the water point, passed from person to person with a quick rinse, or none at all.

Why hygiene is a sustainability issue

“A significant proportion of diarrhoeal disease can be prevented through safe drinking-water and adequate sanitation and hygiene.”
World Health Organization[2]

WHO estimates that diarrhoeal disease kills around 443,832 children under five every year. A shared glass is one small link in a long chain of water, sanitation and hygiene, but it’s a link that sits right where children and patients drink.[2]

Don’t trade one problem for another

The goal isn’t just fewer plastic tumblers. It’s a clean glass for every person, without the plastic. That means washing has to happen where drinking happens, quickly, and without depending on someone remembering to do it.

Sources

  1. [1]OECD (2022), Global Plastics Outlook: Economic Drivers, Environmental Impacts and Policy Options. OECD Publishing, Paris. View source (opens in a new tab)
  2. [2]World Health Organization (2024), Diarrhoeal disease fact sheet, 7 March 2024. View source (opens in a new tab)

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