Scientists at Nanyang Technological University, Singapore, have introduced an inventive solar-powered method to convert sewage sludge into green hydrogen and animal feed. The initiative aims to address the mounting global issues of waste management and resource sustainability. The conventional disposal methods of sewage sludge, such as incineration and landfill, contribute to environmental pollution and are inefficient. The NTU researchers developed a three-step solar-powered process that effectively extracts resources, eliminates heavy metal contaminants, and offers better economic viability than traditional techniques. This process includes mechanical breakdown, chemical separation of harmful substances, solar-powered electrochemical conversion of organic materials to valuable products like acetic acid and hydrogen gas, and bacterial production of single-cell protein for animal feed. The method boasts high organic carbon recovery, improved energy efficiency, and reduced carbon emissions and energy use. Despite these successes, challenges remain in scaling up the process due to cost concerns and system complexity in wastewater treatment facilities. The researchers emphasize the potential of this method in revolutionizing waste management towards a sustainable future.