How does freshwater affect humans?
How does freshwater affect humans? Energy, food and health – all indispensable to human development – rely on the water services provided by natural ecosystems. Freshwater ecosystems, such as wetlands and rivers, also provide crucial regulating services, such as water purification, flood mitigation and the treatment of human and industrial wastes. Why are freshwater sources important to humans? Access to fresh water is also important for economic development. For example, freshwater sources enable the development of fisheries. People around the world harvest fish from these habitats, providing enough animal protein to feed 158 million people worldwide. How do freshwater resources...