Your empty cuppa could capture carbon
Polystyrene can be upcycled into carbon sponge material. https://arstechnica.com/science/2026/06/your-empty-cuppa-could-capture-carbon/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social
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@arstechnica I know one material which captures billions of tons of carbon yearly... It's called trees.