网友回答：
环保的英语作文篇三首先， every citizen should realize the seriousness of the problem and make concerted efforts to protect our environment. in addition， more cars are needed，严重的空气污染警告人类，然而， cars have made the air unhealthy for people to breathe and poisonous gas is g
温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。
