Pollution and waste
Water pollution
Water pollution
![](https://opendevelopmentcambodia.net/wp-content/uploads/2016/03/Water-pollution_envt-natural-resources-150x150.jpg)
Young child drinks clean water in Cambodia. Photo by Cecilia Snyder, taken on 12 July 2003. Licensed under CC BY-NC-ND 2.0Water pollution can be defined in many different ways. Basically, it is the contamination of water when pollutants are discharged into water bodies without treatment ...