Across
- 3. The practice of farming to provide food
- 6. A large public green area in a town
- 7. The act of helping or doing work for someone
- 10. The production of something, especially gas
- 11. The surroundings in which a person lives
- 13. A cutting tool for pruning trees
- 14. A power driven cutting tool
- 15. A non-native organism
- 16. Converting waste into a usable material
Down
- 1. The presence of a substance that is harmful
- 2. The action of clearing an area of trees
- 4. The chemical element associated with climate change
- 5. The practice of caring for forests
- 8. The protection of natural resources
- 9. A layer of gases that surround the earth
- 12. Long-term weather pattern in a region