Earthshot Prize Finalists 2021: Build a Waste-Free World
Published 17 Sept 2021, 12:31 BST

Yosuke Maeda, CEO of WOTA CORP, with one of the company's treatment units.
Co-founder David Auerbach (centre) with Sanenergy team members at their offices in Nairobi.
Giulia Bartezzaghi, Director of the Food Sustainability Lab, Politecnico di Milano.
