Across
- 3. Huge piles of rubbish!
- 4. We burn this in stoves
- 5. What is happening to earth
- 7. Planets and animals in a particular area
- 9. Type of fuel that causes pollution
- 10. Long periods without rain
Down
- 1. Unusually long periods of heat
- 2. All the life on earth
- 6. Where all life exists
- 8. Cutting down of trees