Across
- 3. adjective of "to poison"
- 6. cutting down of trees
- 9. an amount of gas that is sent out
- 10. when oil spills into the sea
- 12. contamination of water
- 14. a chemical substance used to kill harmful insects
- 15. a large mass of ice
- 16. a long period when there is no rain
Down
- 1. a chemical substance which is spread on the land to make plants grow well
- 2. a total amount of collected fruit and vegetables
- 4. Co2
- 5. to pollute
- 7. the presence of toxic emissions in the air
- 8. rise in the temperature of the Earth's climate
- 11. synonym of " to preserve"
- 13. dirty liquid or waste matter