At present. Our world has so many environmental problems, but what our group wanted to change the most is water pollution problems.Water pollution can come from a number of different sources. Most types of pollution affect the immediate area surrounding the source. ส่วนใหญ่นั้นมาจากโรงงานอุตสาหกรรม. Heavy metals from industrial processes can accumulate in nearby canals and rivers. This can sometimes contaminate groundwater and end up in our drinking water supply. Heavy metals can slow development, result in birth defects, and cause cancer due to their carcinogenic nature. They can also give unpleasant odors and tastes to the drinking water.