The composition of "Changes in Hometown" is about 400 words.

Our hometown used to be a beautiful place. Later, with the improvement of people's living standards, there were more and more domestic garbage, and the environment in our hometown was seriously polluted.

In recent years, people's living standards have been greatly improved, but people's living habits are still the same, like littering, which seriously pollutes the environment. The original beautiful Pingtou Rock is lush with green grass, but since the reform and opening up, more and more people like to go to Pingtou Rock to carry out various activities. The food they ate and the rest of the garbage were thrown on the mountain, and the original beautiful flat rock gradually became a "garbage mountain", with a wide variety of garbage. There is a lake surrounded by mountains next to Pingtou Rock. In the past, the lake was clear and beautiful When you walk by the lake, the clear reflection of the lake, the fish in the lake greet you from time to time. But later, many people dumped garbage into the lake, and Qingshui Lake became a veritable "garbage lake". When you walk through the small lake, the stench comes at you. In the upper reaches of Tuojiang Reservoir, people keep dumping garbage into the river. The garbage drifted with the river to the reservoir and was detained by the reservoir dam. For a long time, a strong plastic bag "pontoon bridge" was built on the water surface of the reservoir. The garbage mountain piled up near the residential area exudes a great stench, which can become a paradise for thousands of mosquitoes, and residents suffer greatly. When the wind blows, plastic bags fly all over the sky, forming an "air garbage garden".

Later, people gradually realized that if we continue to destroy the environment in this way, we will live in this "garbage garden" forever. Therefore, we applied for "Building a Civilized City" and took the opportunity of applying for a civilized city to participate in environmental governance. The original garbage passage has been turned into a clean avenue by people's cleaning, and the garbage in rivers and reservoirs has also been salvaged by people with net bags, and the garbage on the mountains has also been picked up. The "dog skin plaster" on the walls and telephone poles has also been scraped clean, and the "harvested" garbage has been sent to the garbage disposal site for incineration or landfill. People's living habits have changed a lot, and garbage is no longer littered. Our hometown has recovered its beautiful appearance and was rated as a "civilized city".

Now people's awareness of environmental protection is getting stronger and stronger, and all kinds of trash cans can be seen everywhere along the street. Signs prohibiting littering have been set up on the mountain and by the river. The environment in our hometown is getting more and more beautiful, and we can no longer see the scene of "garbage all over the sky".

The environment in our hometown has changed from beautiful scenery to polluted scenery and returned to beautiful scenery. I hope people in my hometown understand that only by protecting the environment can we make our hometown more beautiful. Protecting the environment is everyone's responsibility, starting with me.