Today, the issue of living environment is attracting the attention of all humankind. The earth is our common home, which is seriously polluted because of the large-scale exploitation and production activities of the modernization and industrialization period, the period of consumption society and the increase in population. quickly out of control, environmental pollution and its harmful effects on human life are more and more severe. 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. Man cannot exist in isolation. All 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 for the production of facilities for work and learning. From seemingly ordinary things, the smallest to the most precious possessions, all are given to us by nature. Even the products that we call "artificial" actually originate from nature. Environment is the condition of survival and development of human society. Humans are part of the biological population of the natural world. The environment is familiar and close to us as close friends in life. But for the immediate benefit, people have mistreated the environment, even deliberately destroying the environment without knowing that doing so is destroying their own lives. Environmental pollution is happening in Vietnam and around the world. The environment is getting worse and worse: polluted land becomes dead land; water in contaminated rivers becomes a source of disease; The mountains and forests were devastated and bare, storms and floods happened abnormally, the air was full of poison and the temperature of the Earth was getting warmer. There are many causes of environmental pollution. First of all, due to the low level of human understanding, selfishness leads to lack of sense of environmental protection, even deliberately destroying the environment. Next is the overexploitation of nature, irresponsible consumption lifestyle to the environment and the community, the trend of industrialization and modernization lack of synchronization. For example, the construction of a factory without building a treatment area for waste and gas emissions; lack of attention to balance, friendly with environment to ensure long-term, sustainable development ... Actions that cause environmental pollution are various and many degrees, from mild to severe, even serious, in our country, innocent deforestation due to the habit of burning forests for slash-and-burn, land expansion. Long-standing cultivation of the mountainous people. The interests of individuals or the profits of forest product exploitation enterprises are very great, leading to the phenomenon of deforestation, landslides, flash floods, floods ... causing catastrophic consequences. In rural areas, nowadays farmers use chemicals very arbitrarily. Toxic chemicals seep into the ground polluting water sources. Fishermen in many places catch aquatic products with explosives and dredged nets, which deplete long-term resources. In big cities, cars and motorbikes release dust, causing noise, affecting people's health. Social discussion on the topic: How to make our living environment greener, clean, and beautiful - Lesson 2 Human living environment is increasingly polluted, especially in developing countries like Vietnam. And also an urgent problem for any country in the world. It causes unpredictable dangers, climate change phenomenon directly affects human life in the world. In Vietnam, the level of environmental pollution in many places is at an alarming rate. How do we recognize this problem? Current situation, causes, consequences and solutions to find the right solution are issues that need special attention. Human habitat is a broad concept. It includes all natural elements and artificial matter surrounding humans, affecting the life, production, existence and development of humans and all earth creatures. The environment has two main categories: the natural environment, the social environment. Natural environment: including natural components such as topography, geology, soil, climate, water, organisms ... Social environment is the sum of personal relationships with the community shown by the law. Laws, institutions, commitments, regulations ... Here we talk about the natural environment The pollution of our living environment is caused by factories which have been releasing a large amount of carbon dioxide to the atmosphere, Vehicle dust and other engines ... have adversely affected the health and quality of life of people, it causes many diseases of the respiratory tract ... Vietnam is one of the countries with seriously polluted water. , directly affects people's health. The number of people using clean water accounts for a small proportion of water sources of ponds, lakes, rivers, streams, and groundwater sources which are increasingly polluted; Sound, noise in big cities also affects a lot !!!hihi