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Great Gray Globs of Fat Are Lurking in Our Sewers

Cooking fat washed down the drain joins up with wet wipes flushed down the toilet to create giant bergs of congealed fat

[DIGEST: Popular Mechanics, National Geographic, BBC, Environmental Science and Technology, Independent UK]

Humanity’s love of greasy, fatty food is accumulating in our bodies and in our plumbing systems. Giant blobs of hardened fat and grease  — “fatbergs,” as they are known to the wastewater industry — are forming in our underground sewer networks. The fatbergs are blocking pipes and toilets, and wreaking havoc on our infrastructure.

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