1、Keep Silence。保持安静。

2、Handle with Care。小心轻放。

3、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。

4、Rescue the Earth is to rescue future。拯救地球就是拯救未来。

5、Be quiet！禁止喧哗。

6、But some people don't care about it。但是有些人却不关心或不在意。

7、If everyone makes contribution to protecting the environment， the world will become much more beautiful。如果人人都为保护环境作出贡献，(www。lzcn)世界将变得更加美丽。

8、As we know ， water is very important to man。我们知道，水对人类来说是非常的重要。

9、Protect Public Propety。爱护公共财物。

10、Save paper，please。节约用纸。

11、But some people don't care about it。但有些人不关心它。

12、Turn off the light，please。请随手关灯。

13、Now people pay more attention to how to pretend our environment 。With the development of science and technology，it becomes more important to pretend our environment。In china，prentending environment is very nomal in our life for the Olympic's coming or the people's sense of environmental pretection。环境保护是当今社会的一大热点问题。随着科技的发展，环保显得越来越重要。在中国，也许是奥运会的临近，也许是人们意识的崛起，环保已经成为我们身边一个普遍的存在了。

14、Keep clean。保持清洁。

15、It's everyone's duty to love and protect the environment。这是每个人的责任，爱护和保护环境。

16、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。

17、Save on electricity。节约用电。

18、No one can live without water or air。没有人能离开水和空气生存。

19、Discharge pipes directly take pollutants away from the plant into the river。排泄管道直接将污染物从工厂排入河流。

20、Trees are very helpful and important for us。树是非常有益的，对我们很重要。

21、Environmental impact reports are required under many circumstances by federal and state law。根据联邦和州的法律规定，在许多情况下都要求提供环境影响报告书。

22、We should stop factories from producing harmful gases。我们应该阻止工厂生产有害气体。

23、Environmental law heavily intertwined with administrative law。环保法与行政法紧密联系在一起。

24、It's everyone's duty to love and protect the environment。爱护和保护环境是每个人的责任和义务。

25、We should not throw litter onto the ground。我们不应该往地上扔垃圾。

26、Save Food。节约粮食。

27、1Save the earth， Our Only Home。保护地球，我们唯一的家。

28、We should not spit in a public place/ cut down the trees。我们不应该在公共场所吐痰/砍伐的树木。

29、Keep the enviroment clean and tidy。We have only one earth。We should try our best to pretect it，make our home more and more beautiful。保持环境干净和整洁，我们只有一个地球，应该保护它，使我们的家园更加美丽。

30、We should plant more and more trees in order to live better and more healthy in the future。为了将来我们的生活过得更好、更加健康我们应该种更多的树。

31、The rubbish will pullute the enviroment 。It is bed for our health。So please don't throw about the rubbish。垃圾污染环境，损害健康，不要到处扔垃圾

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

33、The amount of water which is suitable to drink is less and less。水的量是适宜的饮料是越来越少了。

34、Pollution is legally controlled and enforced through various federal and state laws。污染由联邦和州各种法规控制和强制执行。

35、We should plant more and more trees in order to live better and more healthy in the future。我们应该种更多的树，为了生活得更好，更健康的未来。

36、How to pretect our enviroment has been one of the most difficult problem in the world。如何保护环境已经成为世界最大难题之一。

37、No Cycling in the School。校内禁止骑车。

38、Save water，please。节约用水。

39、They waste a lot of water in their daily life。日常生活中他们浪费很多水。

40、Its our duty to protect our environment。它;是我们的责任来保护我们的环境。

41、Care plants，please。请爱护花草。

42、we can't live without water。没有水我们就不能生存。

43、Please shut the door after you。出入请关门。

44、Many rivers and lakes are seriously polluted。很多河流湖泊已经受到严重污染。

45、Even worse， they pour dirty water in to rivers。更糟糕的是他们排放污水到河流里。

46、Do not throw rubbish onto the ground。 Do not waste water、Use both sides of paper when you write、Stop using plastic bags for shopping、Make classrooms less noisy.不要在地上扔垃圾。不要浪费水。当你写字时要在纸的两面都要写。停止使用塑料袋去购物。减少教室里德吵闹声。

47、An act that is destructive to the environment may be criminalized by statute。破坏环境之行为可以被法律规定为犯罪。

48、We need to protect Earth because it is our home。我们需要保护地球因为它是我们的家。

49、Without the shade from trees， Earth would get too hot to live on。没有了树荫，地球将会变得太热而不能生存。

50、No smoking。禁止吸烟。

51、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。

52、But save square inch ground， stay with descendant Geng。但存方寸地，留与子孙耕。

53、Let's do our best to make it more beautiful。让我们尽力让它更美丽。

54、The most important question in the world today is pollution。当今世界最重要的话题就是污染问题。

55、Cameras are forbidden。禁止拍照。

56、We should plant more flowers and trees。我们应该种更多的花和树。

57、We must pick up some rubbish and throw it into a dustbin。我们必须拿起一些垃圾，扔到垃圾桶它。

58、They throw rubbish into rivers ， too。他们还乱扔垃圾到河流理去。

59、Planting trees Trees are very helpful and important for us。树对我们人类是多么的重要和有用。

60、Right side，please。请靠右行。

61、We should take many measures to stop pollution。我们应该采取许多措施去停止污染。

62、We don't need to do big thingswe can start out small。我们不需要做大事，我们可以从小事做起。

63、No climbing。禁止攀爬。

64、Most environmental litigation involves disputes with governmental agencies。许多环保诉讼都涉及与**机构的争端。

65、Something must be done to stop the pollution.人类必须采取一些措施来制止污染。

66、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。