Across
- 3. ............ warming.
- 9. You mustn't .......... plastic bags.
- 10. Public ............ .
- 13. We shouldn't ........ rubbish around.
- 14. We should ........ glass,paper, metal.
- 15. ......... is very serious problem because there are alot of cars.
- 16. Eco-friendly ............... .
- 18. We should ............. They give us oxygen.
Down
- 1. Humans ......... rivers, lakes, oceans bacause they throw rubbish into them.
- 2. .............. energy.
- 4. Farmers mustn't use ......... . They are very harmful.
- 5. You shouldn't ........... water.
- 6. You must ........... the nature.
- 7. There is always a ............. so we should use public transportation.
- 8. .............. pollution.
- 11. We should save energy so ............ the lights.
- 12. I can't go out ......... I'm ill.
- 17. I want to reduce air pollution,.... I always use public transportation.
