Across
- 3. → Home to 80% of land animals and plants
- 4. → Invisible gas that traps heat in the atmosphere
- 8. → A group of animals or plants at risk of extinction
- 10. → Only 3% of this is fresh on Earth
Down
- 1. → Turning food scraps into fertilizer
- 2. → A material that lasts for centuries in oceans and landfills
- 5. → Can be recycled forever without losing quality
- 6. → Used once for shopping, then thrown away, but lasts 500 years
- 7. → Recycling one ton of this saves 17 trees
- 9. → Clean energy from the sun