Across
- 3. When the ground shakes really hard.
- 5. Cutting down too many trees.
- 7. Dirty stuff in the air or water.
- 9. Using things again instead of throwing them away.
Down
- 1. Rocks and dirt sliding down a hill.
- 2. To break or ruin something.
- 4. Something very bad happening.
- 6. Big waves caused by an earthquake.
- 8. A long time without rain.