The brown revolution: Plant food from toilet waste

Urban areas around the world are feeling the weight of growing populations. While cities can become hotspots for economic opportunity, they also churn out massive amounts of waste. Untreated waste that returns to the earth can be unsafe – and a waste of precious nutrients.

But now there are ways to not only treat that waste, but to turn it into something new – a solution and business model all in one. Resource recovery and reuse (RRR) is transforming waste management. And the start of this show? Fecal sludge…