Across
- 2. The system where animals and plants support each other
- 3. The variety of plant and animal life in an area
- 4. Energy sources like coal, oil and gas
- 5. Poison
- 6. The rising temperature of the Earth's atmosphere (6,7)
- 8. Chemicals that help plants to grow
- 10. To threaten, to place in danger
- 11. Noun. Where animals live
- 12. The spoiling of the environment by human activity
- 13. Effect
- 14. Gases, like CO2 and SO2, released into the atmosphere
Down
- 1. Cutting down forests and jungles
- 6. Environmental matters (5,6)
- 7. ___________ effect. Gases in the atmosphere stopping the sun's heat from escaping
- 9. Energy sources like solar power, wind power etc.