Life is increasingly improved due to more and more advanced scientific and technological works to serve people's lives. But along with that development is the consequence that in the future we humans will have to bear because of the lack of awareness about protecting the environment. The environment is what surrounds us, from the lush green grass, the long winding rivers, or the high mountains to the horizon, all in a world that is living around us. But the reality shows that people are murderers who have taken their own lives by making the environment increasingly polluted, especially in big cities and industrial centers. Every school is dying day by day due to the lack of awareness about protecting natural resources, Indiscriminate deforestation that punctures the green lungs of the World, or the dumping of garbage, waste, toxic gases from factories and factories into the canals, and into our atmosphere is a matter of concern. alarm. Environmental pollution has become a hot issue of mankind. The Summit held in Brazil in 1992 made a call for the whole world to come together to protect the Earth - our planet, to build a green - clean - beautiful environment. Vietnam has also issued policies to protect natural resources and is ready to cooperate with countries around the world to protect the environment. Our students must also be aware of environmental hygiene, actively participate in movement activities such as "green Sunday", general cleaning of schools and neighborhoods, participating in planting trees to cause forests, not discharge garbage indiscriminately in public places… In short,

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   Currently, environmental issues are attracting the attention of the whole world. The earth, which is our common home, is being seriously polluted because of the large-scale mining and production activities of the period of modernization, industrialization, the era of consumer society, and population growth. rapidly spiraling out of control, environmental pollution and its harmful effects on human life are getting heavier and heavier. Therefore, protecting the green - clean - beautiful environment is the duty of everyone in the world.
    Everyone knows that the environment has a great meaning and is extremely important to humans. Humans cannot exist apart from the environment. Everything that people have is taken from the environment: air to breathe, food, water, arable land, land to build houses, factories, factories, hospitals, schools... and materials to produce means of working and learning. From the seemingly ordinary, the smallest things to the most precious possessions, all are given to us by nature. Even the products we call “artificial” are derived from nature. The environment is a condition for the survival and development of human society. Humans are part of the biological community of the natural world.
     The environment is familiar and close to us as close friends in life. But for the immediate benefit, people have treated the environment badly, even deliberately destroying the environment without knowing that doing so is destroying their own lives.
      Environmental pollution is happening in Vietnam and all over the world. The environment is getting worse and worse: contaminated land becomes dead land; contaminated river water becomes a source of disease; The mountains and forests are devastated, the phenomenon of storms and floods occurs abnormally, the air is full of toxic substances and the temperature of the Earth is warming up.
      There are many causes of environmental pollution. First, due to the low level of human understanding. Because of selfishness and self-interest, there is no sense of environmental protection, even deliberately destroying the environment. Next is the overexploitation of nature, an irresponsible consumption lifestyle with the environment and the community, and a lack of synchronization in the trend of industrialization and modernization. For example, the construction of a factory without building a waste and emission treatment area; lack of attention to balance, environmental friendliness to ensure long-term and sustainable development…
      Actions that cause environmental pollution are manifold and at various levels, from mild to severe, even serious. In our country, indiscriminate deforestation is caused by the habit of burning forests for farming and expanding land. Long-standing cultivation of the mountainous people. The interests of individuals or the profits of enterprises exploiting forest products are very large, leading to deforestation, mountain landslides, flash floods, floods... causing catastrophic consequences.
       In rural areas, farmers now use chemicals very arbitrarily. Toxic chemicals seep into the ground, contaminating water sources. Fishermen in many places catch seafood with explosives and trawl nets, which deplete long-term resources. In big cities, cars and motorbikes emit dust, causing noise, adversely affecting people's health.

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