VOICED : Plastic bottles bring light to South

Tony Lopes, a South African engineer, left his energy sector career to pursue sustainable energy solutions. He creates lights, stoves, and water pumps using recycled materials, benefiting communities without access to electricity. His work with Oliver's House supports local nurseries with food and energy solutions. Tony's innovative use of scrap materials leads to creative, low-tech sustainable technologies. His future projects include solar-powered devices and anaerobic digesters, focusing on simple solutions for everyday needs.

Describe the process Tony uses to convert leftovers into useful products.

What is the significance of using scrap materials in Tony's projects?