Across
- 3. Is a greenhouse gas; produced by cows and natural gas drilling
- 5. Turning trash into treasure
- 7. unofficial SSLA mascot
- 9. A layer of soil that remains frozen for at least two years
- 10. The process of planting trees to restore a forest
Down
- 1. The process by which fertile land becomes desert due to human activities
- 2. A famous Bollywood actor hunted this animal in 1998
- 4. Human-caused damage to soil, leading to erosion and loss of productivity
- 6. Renewable energy source that taps into the heat of the Earth's core
- 8. Travel that promotes conservation and sustainability