“I’ve been constantly trying to understand how protein from food waste can be revalued and repurposed,” Raffaele Mezzenga, a trained physicist, said on a recent video call. He played quietly with a yo ...

Turning unused waste from food production into clean energy: Researchers are using chicken feathers to make fuel cells more cost-effective and sustainable. The food industry generates enormous amounts ...

Scientists have developed a sustainable fuel cell membrane made from chicken feathers. The team extracts the protein keratin from feathers and processes it into amyloid fibrils, creating a ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

The food industry generates enormous amounts of waste and by- products, including from poultry production. Each year, some 40 million tonnes of chicken feathers are incinerated. This not only releases ...