Water Control

Water become the first needed interest for our body, but people always destroy our water resources by their activity in daily either in Industry or in general activity, like to wash our cloths and clean other appliance that using unfriendly chemicals. Long time ago people may don't realize that their activity to wash something will destroy our water quality, but currently people become dependence of using washing chemicals that used together with water but destroy our nature. People just notice their needed especially if their activity generate money, people become lost his conscience, people don't care where his action will destroy environment or not. They just notice to their economic improvement.

Environment destruction also undertaken by industrialist, they do their activity by dump untreated sewage into the river. This happened almost in all development countries, usually in countries that develop their economic from industry activities like in China. Their rivers become great polluted as in China, and china also have city  the biggest polluted city in the world.

Dispose of waste water become the largest activity in Industry, if this disposal is not ruled in tightly, this world will damage in rapid way. Waste water treatment need high cost, but this should be done if we want to keep our intergovernmental last long live. Many river also become water supply source for our live, if this source damage by industries activity we will don't have water source anymore to supply our water needed.