From an industrial-scale fly factory in London to farming bugs in the Madagascan rainforest, insects are being put to work all around the world. These biological wonders are turning stuff we don’t want – like food waste and even faeces – into useful protein. This is creating a greener alternative to animal feed and creating food products for humans too. We meet the people using bugs to help the planet. Presenter: Myra Anubi Producer/reporter: Craig Langran Executive producer: Tom Colls Editor: Penny Murphy Image: Black soldier fly larvae (Getty Images)