Across
- 5. it's in the air
- 8. capable of decaying through the action of living organisms
- 11. the consequence of cutting down lots of trees
- 14. this is happening to parts of the coast
- 15. genetically modified organism
- 16. the conversion of sunlight into electricity
- 18. cars, trucks and factories give these off
- 19. this is getting warmer and warmer
- 20. this is melting
Down
- 1. which can be restored so it can be used again
- 2. there is a hole in it
- 3. we all produce too much of this
- 4. coal, oil, gas
- 6. a colourless, odourless, incombustible gas
- 7. an alternative type of commerce
- 9. we throw this way every time we buy something new
- 10. cities become this when there is too much pollution
- 12. a small percentage of agriculture produces this
- 13. domestic or industrial waste which is carried into sewers
- 17. this is sprayed on to crops
