Rivers across the world are polluted with deadly pathogens, threatening the health of over 300 million people worldwide. Diseases such as cholera and and typhoid are found in rivers that are also polluted with runoff from agricultural chemicals and industrial waste. The most polluted rivers are found in Asia. In Russia, the Daldykan river has turned red on several occasions from waste from a local metals plant. The World Resources Institute supports increased regulation to safeguard the world’s water supply.

River pollution puts 323m at risk from life-threatening diseases, says UN