sewage

The Goreangab water treatment plant uses a process that partially mimics nature to turn sewage from Winhoek's 300,000 residents back into potable water. It opened in 1968 and was the first such plant in the world.
Environment
Recycling sewage into drinking water is no big deal. They’ve been doing it in Namibia for 50 years.
As the Ebola epidemic peaks, new challenges are emerging in Liberia
Health
Now that Ebola is subsiding, the question is what to do with contaminated sewage
One of a fleet of trucks in the Bangalore area that brings untreated sewage from homes to farms, to be used as fertilizer.
Environment
Recycled lunch: Using human waste to grow food, and fight climate change
Environment
Waste Not-Composting Toilets in Haiti
Turning Waste to Fertilizer — Humanure
Problems Underground
Is the Tijuana River Half Full, or Half Empty?
Sludge-Eating Fish
Recycling Sewage in Brazil
Still a Few Bugs in the System
From Toilet to Tap
Following the Toxic Trail
California Sludge
Sludge
Toilet to Tap