Đáp án + Giải thích bước giải:

* Bài tự làm, b tham khảo ^^

In my neighborhood, it used to be green and fresh, but later it started to get dirty with smog. The reason for this pollution is most likely to start from the fact that manufacturing plants began to grow densely, trucks and vehicles began to appear more and more, trees were cut down for raw materials, houses . Things are happening more and more authentically, having an opposite effect on the lives of everyone living in the area. I believe that if there is no solution to the current situation then I think that my interesting city will soon become a dead city

Vietnam is one of many countries facing the consequences of environmental pollution Today, due to the development of science and technology. Vietnam's economy is developing rapidly. However, this has led to heavy impacts on our environment. With the development of industry, many harmful gases are released into the environment causing climate change. When the air is polluted, many respiratory diseases appear and these diseases are difficult to cure. This has awakened us - human beings living on earth. We need to join hands to protect the environment. For humans, we need to protect the environment from the smallest actions such as sorting garbage, dumping garbage in the right place. For factories and industrial parks, it is necessary to have a reasonable direction of wastewater and exhaust gas treatment. For the authorities, when detecting cases of environmental violations and destruction, they need to be strictly handled. In addition, we need to actively plant more trees.