Across
- 4. Not harmful to the environment (10 letters).
- 7. Ensures resources for the future (11 letters).
- 8. Converts sunlight into energy (4 letters).
- 10. Pertaining to the entire world (6 letters).
- 11. Element crucial for greenhouse gas discussions (6 letters).
- 13. A tall, woody plant with branches and leaves (4 letters).
- 16. A colour associated with the enviorment (5 letters).
- 17. Stuff we throw away (5 letters).
- 18. Turns old items into new ones (9 letters).
Down
- 1. Animals and their habitats (11 letters).
- 2. Our home in the universe (5 letters).
- 3. Release of harmful substances (9 letters).
- 5. Keeping surroundings free from contaminants (5 letters).
- 6. Study of living things and their environment (6 letters).
- 8. Our blue home in space (6 letters).
- 9. Spreading knowledge about the environment (8 letters).
- 11. Long-term weather patterns (7 letters).
- 12. Like sunlight or wind power (8 letters).
- 14. Home to all living things (7 letters).
- 15. Shielding and preserving natural resources (8 letters).