1、环保 environmental protection 2、环境保护 人人有责 Everybody is responsible for environmental protection 3、如果每个人为环境保护作出一点贡献,我们的家园会变得更加美丽.if everyone could make a big contribution to environmental protection,our home will become much more beautiful. 4、在空气和水的质量上,我非常希望这个城市能投入更多,让自己变得更清洁、更环保. Ireallywishthecitywouldinvestmoreinto making it clean and greenintermsofairandwaterquality.