Across
- 3. THE INTRODUCTION OF HARMFUL MATERIALS IN THE ENVIRONMENT
- 5. THE CLEARING OF FORESTS
- 8. THE DISAPPEARANCE OF LAND VEGETATION
- 9. THE DECLINE OR DISAPPEARANCE OF FAUNA AND FLORA SPECIES
- 10. THE LONGTERM WARMING OF THE PLANET´S TEMPERATURE
Down
- 1. THE EXCESSIVE GARBAGE GROWTH
- 2. INSUFFICIENT FRESHWATER RESOURCES
- 4. THE THINNING OF THE OZONE LAYER IN THE ATMOSPHERE
- 6. THE EXCESSIVE HUMAN POPULATION GROWTH
- 7. THE SIGNIFIGANT VARIATION OF WEATHER CONDITIONS