1、onlyifweunderstandcanwecare.?onlyifwecarewillwehelp.?onlyifwehelpshallallbesaved.?janegoodall?-?nature is kind of a loving mother, but also a butcher in cold blood. - victor hugo ?-? it is usually their own surroundings as a form of free merchandise, i do not know any way to cherish and spoil. - gan
2、 harman ?-?the land to all the people are the essence of the material,and finally,it has been there from the people of the rebate is rubbish these substances. ?-? not only natural can not mandatory, but also subject to natural. ?the last drop of human, environmental damage will be tears of remorse a
3、fter. ?pollution of the environment protection of the environment shameful glory? ? please do not trample on the grass at the foot of you, because like you, it is there that the sacred mission of a green environment?,?there is no business to be done on a dead planet.? dont blow it - good planets are
4、 hard to find.? - ?take nothing but pictures. leave nothing but footprints. kill nothing but time.? never does nature say one thing and wisdom another. ?there is a pleasure in the pathless woods. there is a rapture on the lonely shore. there is society, where none intrudes. by the deep sea, and musi
5、c in its roar; i love not man the less, but nature more. george gordon, lord byron? only when the last tree has died and the last river been poisoned and the last fish been caught will we realize we cannot eat money. ? ? we should not be over enjoyed our victory on the nature.for each such victory,t
6、he nature will take revenge on us.?-20201. savewater,please.2. careplants,please.3. pleasekeepoffthegrass.4. rightside,please.5. afteryou!6. becareful.7. bequiet!8. nosmoking.9. dontlitterthefloor.10. savepaper,please.11. turnoffthelight,please.12. protectpublicpropety.13. handlewithcare14. safetyfi
7、rst15. keepsilence16. savefood17. nocyclingintheschool18. keepawayfromfire19. savetheearth,ouronlyhome.20. saveonelectricity.21. pleaseshutthedoorafteryou.22. keepclean.23. camerasareforbidden.24. noclimbing.1protectandimprovethelivingenvironmentandtheecologicalenvironment2protectrareanimalsandplants3popularizeenvironmentalprotectionk