近年来，空气污染越来越严重，空气质量堪忧，如何改善空气质量，成为重中之重。下面，小编帮你整理了改善空气质量高中英语作文，希望你喜欢!改善空气质量高中英语作文篇1Once man did not have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be unlimited.Today things are different. The world has become too crowded. We are using up our natural resources,and polluting our environment with dangerous chemicals. If we continue to do this, human life on earth will not survive.We realize that if too many fis
