Across
- 2. Source of energy
- 3. Natural home
- 5. Clearing a wide area of trees
- 6. Capable of being renewed
- 10. A woody plant, typically having a single stem
- 12. Envelope of gases surrounding earth
- 13. Relation between living organisms and physical environment
- 14. Unwanted or unusable materials
Down
- 1. Decomposed by bacteria or other living organisms
- 4. Remanufactured into new products
- 7. Phenomena of the physical world
- 8. Weather conditions and variations
- 9. Production and discharge of something especially gas
- 11. Displaying kindness