There are many types of pollution but I think water pollution is the most dangerous.Water pollution is a phenomenon where rivers, lakes, seas and groundwater are contaminated with toxic substances in plant protection drugs, industrial wastes, domestic wastes, etc. great fruit to the lives of humans and natural creatures. There are many causes of water pollution, be it heavy rain, melting snow, storm winds, floods that accidentally bring a dirty amount of waste, dead organisms into the water environment, or volcanic eruption, sea level rise. However, human is the main factor leading to water pollution through industrial, domestic, agricultural, ... wastes into the water environment. We all know that just a sheet of paper, a carton of milk or a plastic bag is discharged into the pond environment, causing water pollution, landscape loss, and pipeline congestion. In addition, factories and enterprises are increasingly developing to serve the needs of production and consumption of people, making the source of wastewater soak up into the groundwater, causing serious water pollution. The consequences are very large, you probably do not know, up to 70% of the human body is water. People need clean water to serve daily activities. However, with the current situation of water pollution, human is the agent and can "RECEIVE DAY" is real. Because, the consequences of water pollution are huge: heavy metal contamination; Contamination of toxic organic compounds, pathogenic bacteria in water, especially wastewater. In order to effectively deal with water pollution, these solutions need to be formulated and implemented at all levels, from global, national to local. Hope you will join hands to overcome and keep the water source clean.