The environment is currently our top concern because the environment is increasingly polluted. Fine dust, smoke, ... are flooding the air. The water is heavily polluted by factories dumping wastewater directly without treatment ....The environment is dying more and more due to the lack of awareness about protecting natural resources.To overcome this problem, everyone must contribute: do not litter indiscriminately, environmental sanitation plays a huge role in ecological balance, climate regulation, disaster prevention, helping the environment. soil, water, fresh air ..., ...

 Currently, environmental pollution is a problem to ring the alarm for the whole society. Environmental pollution is an environment in which toxic substances and dirt appear to cause negative impacts on nature and human life. Environmental pollution occurs in both soil, water, and air. The reality of environmental pollution is reported daily by the media with images of garbage and overwhelming statistics on alarming environmental pollution. Recently, the atmosphere of Hanoi city has exceeded the level of heavy pollution. With such serious environmental pollution, not only people's lives are threatened but also the natural ecosystem on Earth is also affected, especially as a result of the greenhouse effect and the melting of ice. due to global warming. The main cause of this situation is the low awareness of human environment protection and the solutions to environmental protection and waste treatment have not been implemented fully. Therefore, from now on, each person needs to clearly and properly recognize the harmful effects of environmental pollution, we reform nature and minimize the amount of waste and emissions. In this way, we can protect the Earth, the life itself as well as the development of man and nature