Huge Blobs of Fat and Trash Are Filling the World’s Sewers | National Geographic

Northern Ireland Water demonstrates how hard it is to get rid of fat, oil, and grease when they're dumped into the sewer system and congeal into 'fatbergs'. ➡ Subscribe: https://on.natgeo.com/4p5A0D6 About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: https://nationalgeographic.com Instagram: https://instagram.com/natgeo Facebook: https://facebook.com/natgeo Threads: https://threads.com/@natgeo X: https://x.com/NatGeo LinkedIn: https://linkedin.com/company/national-geographic TikTok: https://tiktok.com/@natgeo Reddit: https://reddit.com/user/nationalgeographic Pinterest: https://pinterest.com/natgeo City residents probably become the most aware of their sewer system when it stops working. The public utility Northern Ireland Water is working to get people a little more sewer-conscious by preventing one nasty menace, known as 'fatbergs.' These masses of solidified fat, oil, and grease clog up a sewer like cholesterol in an artery. When the resulting mass attaches to sewer walls, it can take some serious shoveling, hacking, vacuuming, and flushing to dislodge. Foreign objects, including supposedly 'flushable' toilet wipes, also help the fatbergs to grow. This recent footage from an extraction in Belfast shows just how hard it is to remove fatbergs once they've congealed. Read more: http://news.nationalgeographic.com/2017/08/fatbergs-fat-cities-sewers-wet-wipes-science/ Huge Blobs of Fat and Trash Are Filling the World’s Sewers | National Geographic https://youtu.be/KMmrWa3xlBU National Geographic https://www.youtube.com/natgeo