Today, due to the development of science and technology. Vietnam’s economy has gone up quickly. However, this has had a devastating effect on our environment. Specifically, the air is polluted by water sources, forest fires, … As an industry develops, many harmful gases are released into the environment causing climate change. When the air is polluted, many respiratory diseases arise and these diseases are very difficult to treat. The rate of cancer is also on the rise. This has alerted us – human beings living on earth. We need to work together to protect the environment. For residents, we need to protect the environment from the smallest actions such as garbage classification, garbage collection at the right place. For factories and industrial parks, there should be an appropriate direction for wastewater and exhaust treatment. For the authorities, when detecting any violation or causing environmental damage, it is necessary to strictly sanction. In addition, we need to actively plant more trees. Each person contributes a little bit of effort, but it will be enough to improve the current environmental condition. From there we will have a cleaner and cleaner living environment.