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