Innovative solutions in wastewater treatment are gaining traction, particularly the concept of urine-separation toilets. Previously considered a niche technology, these toilets are now spotlighted as essential tools for eco-conscious living. The traditional practice of flushing away urine with clean water and subsequently treating it in sewage plants is recognized as a significant waste of resources. By utilizing toilets that independently collect undiluted urine, we can efficiently convert it into valuable fertilizers, ultimately conserving both energy and water. The advances in this area highlight a growing commitment to sustainable waste management practices.