Across
- 2. Variety of plant/animal life in a habitat (前缀: bio-)
- 3. Natural home of an animal (搭配: wildlife ~)
- 6. Energy sources like solar or wind (非~: fossil fuels)
- 8. To reduce severity (搭配: ~ risks)
- 10. Layer blocking UV rays (~ depletion)
- 11. Making air/water/soil dirty (常见类型: air ~)
- 13. Tiny pieces of matter (搭配: microplastics ~)
- 14. Long-term weather patterns (~ change)
- 17. Relating to the sun (~ energy)
- 18. Community of interacting organisms (词根: eco-)
- 19. Making something impure (同义词: pollution)
- 20. Harmful to living organisms (~ waste)
- 23. Protecting nature from harm (同义词: preservation)
- 25. Man-made (反义词: natural)
- 26. At risk of extinction (~ species)
- 28. Able to break down naturally (前缀: bio-)
- 30. Grown without chemicals (~ farming)
Down
- 1. Capable of being maintained long-term (e.g., ~ development)
- 4. Long period without rain (反义词: flood)
- 5. Plants in an area (同义词: flora)
- 7. Getting rid of waste (搭配: waste ~)
- 9. Ancient remains used as fuel (~ fuels)
- 12. Clearing forests for human use (反义词: reforestation)
- 15. Structure for plants; also a ~ gas effect
- 16. Worldwide (~ warming)
- 21. Element found in coal/oil (搭配: ~ footprint)
- 22. Organic waste used as fertilizer (动词: to ~)
- 24. Processing waste into new products (前缀: re-)
- 27. Permanent loss of a species (动词: go ~)
- 29. Gases released into the air (搭配: carbon ~)