Sustainable Urban Farming Has a Rising Hot Star: Bugs

Sustainable Urban Farming Has a Rising Hot Star: Bugs

The larvae of adult black soldier flies can turn food waste into sustainable protein with minimal methane gas emissions.

Photo credit: Amy Dickerson

In Sydney, Australia, in the basement of an inner-city high-rise, lives a mass of unexpected inhabitants: millions of maggots. The insects are far from unwelcome. They are there to feast on the food waste generated by the building's human residents.

Goterra, the start-up that installed the maggots in the building in December, belongs to the rapidly expanding insect agriculture industry, which is experiencing a surge of investment worldwide.

The maggots – the larvae of the black soldier fly – are voracious, unfussy eaters. As adult flies, they don't eat, so the young fatten up swiftly on whatever they can get. Goterra's basement colony can munch through 5 metric tons of waste in a day.

"Maggots are nature's cleaners," says Bob Gordon, Head of Growth at Goterra. "They're a great tool to manage waste streams."

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Kim Thomson
Kim Thomson is an Australian-based freelance journalist. Her writing on music, film, technology and the environment has appeared in The Age, The Australian, The Saturday Paper and elsewhere.
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