"In many cities around the world, air pollution is becoming a severe issue. What do you think are the main causes of this problem, and what solutions can be implemented to address it?"

Over the last few years, air pollution has become one of the major problems that people should be pay attention. While the large number of factories and increasing of cutting trees are claimed to be the main reasons behind this issue. There are some effective solutions that can be applied l. In this essay, I […]