Today the modern world is a great number of manufactures, witch manufacture a lot of products. And they bring a big damage to enviroment. The air and waters are polluted by smog and wastes. It results to death of animals and plants. In the streets there are a lot of rubbish witch people leave. They even dont try to thrown it in the trash box. It results to emergence of rats and other dangerous creatures. Also the situation of ozon layer is bad too. There are a lot of hols in ozon layer. It results to penetration of sunlight. It's very dangerous for human skin and eyes. That's why we must fight with polution. Our lives depend from the status of enviroment.
