Clean water is essential for both man and nature as it serves a variety of purposes. For humans, clean water is crucial for drinking, cooking, and maintaining sanitation and hygiene. Additionally, clean water is also vital for agricultural practices as well as industrial and commercial activities. On the other hand, nature also relies on clean water for various purposes, including sustaining ecosystems, supporting biodiversity, and maintaining healthy air and soil quality. In summary, clean water is a fundamental component for both human and ecological well-being.