It should develop the waste in the river or eliminate various chemicals in water and waste water should be treated, because water is essential to life. It is also a Habitat for many aquatic animal. If the water contains toxic contamination would cause many animals receive toxic it.
Hear should improve or eliminate waste in various chemicals in the SE of the water. And should have a wastewater treatment. Because water is essential to life. It is also the habitat of many animals. If the water is toxic, it makes many animals are poisoned too.
Should develop the garbage in the river or eliminate various chemicals in the river, and there should be a wastewater treatment, because the water is important in life. Also is the habitat of many aquatic animals.