Across
- 4. Type of weather event increasing
- 5. Heat-trapping gas
- 8. Burning fossil fuels releases this
- 10. Gas released during respiration
- 11. Gas needed for respiration
- 12. Gas plants release
- 15. Release of energy from food
- 17. Traps heat in atmosphere
- 18. Warming of Earth’s temperature
- 19. Fuels like coal and oil
Down
- 1. Weather over long time
- 2. Cutting down forests
- 3. Carbon storage location
- 6. Opposite of source
- 7. Another greenhouse gas
- 9. Process plants use to make food
- 13. Organisms that absorb CO₂
- 14. Energy from the sun used in photosynthesis
- 16. Ice melting causes this to rise