一.Without the shade from trees Earth would get too hot to live on
二.提高环境意识，爱护花草树木。
三.Reduce wastes and recycle them instead put them with plants and they will be fed
四.保护地球环境人类共有的家园。Protect the earth's environment the homeland of all mankind
五.保护大自然就是保护人类自己!
六.保护环境识每个公民的责任与义务。Protecting the environment is every citizen's responsibility and moral duty
七.Keep our nature healthy 'cause it will make us wealthy
八.保护野生动物，维护公共设施。
九.污染海洋千夫指，关爱海洋万人颂。
一零.Even worse they pour dirty water in to rivers
一一.人人搞绿化，以后空气会新鲜。
一二.地球能满足人类的需要但满足不了人类的贪婪
一三.保护赖以生存的海陆环境需要我们人类的节制和努力!
一四.环境与人类共存，开发与保护同步。
一五.Keep the environment clean so it will stay green
一六.It's everyone's duty to love and protect the environment
一七.The amount of water which is suitable to drink is less and less
一八.大自然是善良 的母亲，也是冷酷的屠夫。
一九.拥抱蓝色海洋，珍爱生命摇篮。
二零.破坏环境的人终将得到大自然的惩罚。
二一.珍惜海洋资源，造福子孙后代。