1. We are using up our natural resources and at the same time polluting our environment with dangerous chemicals. If we continue to do this, life on earth cannot survive.
   我们一边耗尽自然资源，一边产生化学污染物。如果继续这样做的话，地球上的生物将难以生存。

2. Protecting the environment is every man's responsibility.
   保护地球环境是每一个人的责任。

3. If everyone could make a big contribution to environmental protection, our home will become much more beautiful.
   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。

4. Protecting the environment, everyone's duty.
   保护环境，人人有责。

5. The short life of the flowers away, leaving behind the beauty is forever.
   带走的花儿生命短暂，留下的美丽才是永远。

6. Governments of many countries have established laws to protect the air, forests and sea resources and to stop environmental pollution.
   许多国家制定了法律来保护大气、森林和海洋资源，制止环境污染。

7. The protection of trees, that is, to protect themselves.
    保护树木，就是保护自己。

8. In addition to the photos, nothing taken away; In addition to the footprints, nothing left.
   除了相片，什么都不要带走;除了脚印，什么都不要留下。

9. Have green trees, have the pulse of the earth.
   树木拥有绿色，地球才有脉搏。

10. Earth is our home, you rely on green.
   地球是我家，绿化靠大家。