Water is vital, yet climate change and rising populations are putting pressure on supplies. Learn how cities and companies are collaborating on water governance with this infographic.
http://www.worldwaterday.org/resources/ On average, high-income countries treat about 70% of the urban wastewater (industrial and municipal) they generate, while that ratio drops to 38% in upper-middle-income countries and to 28% in lower-middle-income countries. In low-income countries, only 8% of industrial and municipal wastewater undergoes treatment of any kind (Sato et. al, 2013; Agricultural Water Management 130: 1-13)