Seattle Facility recycles nutrients

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MIT Technology Review

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How poop could help feed the planet

Summary

Nutrition label

75% Informative

Wastewater treatment plants across the country are using high heat, composting and devices akin to pressure cookers to transform leftover biomass into rich fertilizers, mulches, and other soil additives.

Several companies are showing how to safely scale up the transformation with energy-efficient technologies.

Reinserting ourselves into nature’s recycling system, in other words, could help us meet food needs without unduly fouling the environment.

Two Midwestern dairies have adopted the system, and a third is working on it.

The energy-efficient transformation of waste into naturally derived products could eliminate greenhouse-gas emissions from stored manure and traditional fertilizer production.

The biggest one installed, in Indiana , is five times the size of the Seattle -area septic conversion system.

VR Score

Informative language

Neutral language

Article tone

semi-formal

Language

English

Language complexity

Offensive language

not offensive

Hate speech