Water is one of the four elements that indicate the existence of a life. Meanwhile, three other elements include carbon dioxide, methane and oxygen. Water can also be said to be the source of life. The survival of human, plant and animal life also depends on the water. Many of the benefits provided water for the survival of living things on earth

Causes and Negative Effects  Happen On Water, as example  If no form of action to be concerned with water it will be many disasters and catastrophes will be experienced by the civilization of human life. On the one hand, the water can be a best friend who has always supported human life, but on the other hand can be an enemy that threatens human life.

Case in Indonesia like Air Pollution. The development of technologies that are not environmentally friendly and human lifestyle unfriendly environment will cause water pollution. If this happens continuously without effort change, water pollution will become increasingly acute, and can not be recovered. And at that moment, the final episode of the life journey of human civilization on earth.

Flood, Landslide, etc.. Floods and landslides seemed to be an annual event in Indonesia. The disaster is not without cause. The water seemed to show the "ferocity" as a result of ill-treatment is always given to him. This is due to deforestation and forest degradation caused by illegal logging (illegal logging), forest fires, waste, etc.. From deforestation and forest degradation, causing the water to be damaged ecosystems.

Water Crisis. Common causes water crisis more or less equivalent to the hydro-orologis forest (tree). However, in this case in the spotlight is the reduction of forest reserves in terms of water storage. Consequently, when the dry season comes, there is no ground water reserves. Water Crisis (net) are also caused by water pollution from industrial and household waste, poor sanitation.

As result for solving this problem is not enough to doing action but also need corporation with all people and understanding to develop environment sustanability