Across
- 2. the variety of plant and animal species in an environment
- 4. actions taken to reduce the severity of a problem or damage
- 6. caused or influenced by human activity
- 8. gradual deterioration or decline in quality, especially in nature
- 9. a large body in space orbiting a star; here mainly refers to Earth
Down
- 1. when something becomes dirty, toxic, or unsafe due to pollutants
- 3. a dense forest with high rainfall, rich in species and biodiversity
- 5. relating to the land or Earth
- 7. rich with green plants; lush and full of vegetation
