Flushing nitrogen from seawater-based toilets

A novel salt-tolerant bacterium cultured from the Red Sea effectively removes nitrogen from salty wastewater, suggests research from Pascal Saikaly's team at KAUST. The bacterium could be used to treat sewage coming from ...

In Nairobi, recycling poo is cleaning up the slums

"When I started, there was poop in bags everywhere," said Ricky Ojwang, skillfully navigating a rubbish-strewn canal in Mukuru, a Nairobi slum where he's worked to improve sanitation since 2012.

Can we turn sewage 'sludge' into something valuable?

Over the past few years I have become an academic expert in "sewage sludge" – the residual, semi-solid mix of excrement packed with microorganisms that is left behind within wastewater treatment plants. Every year the UK ...

Peak break: China to add 'eco' toilet on Mount Everest

Climbers with pressing needs on Mount Everest will soon find an "eco-friendly" toilet at a Chinese campsite 7,028 metres (23,058 feet) above sea level in an ongoing campaign to deal with the peak's waste problem.

Researchers have invented a quieter airplane toilet

Airplane toilets are loud. For some, they are downright terrifying. But chin up, frequent flyers, because a group of Brigham Young University physicists have figured out how to make them quieter.

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