How Does Water Treatment Work

The video discusses human interference with the natural water cycle, highlighting historical and modern methods of water usage, such as wells, aqueducts, and dams. It emphasizes the disparity in water access globally, with industrialized nations using significantly more water than those in sub-Saharan Africa. The video explains the distribution of freshwater resources and their primary uses in agriculture, industry, and domestic settings. It details the processes of water purification, including filtration and chlorination, and mentions innovations like the lifestraw and biosand filters that are helping to provide clean water to those without access.

Describe the process of how piped water is purified before it reaches homes.

What are some small-scale developments helping those without access to clean water?