Population in many countries still do not go to a clean water source. They use water Cooking and washing of water with the disposal of sewage and hazardous waste.
The population in many countries, a source of clean water. They use the cooking water and wash water from the same source using the drop of impurity and a dangerous waste.
population growth in many countries is also the source of water to clean drinking water they use cooking and purged from the same source of water pollution and the disposal of hazardous waste.