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