Across
- 2. to stop something from happening.
- 5. garbage and chemicals mix in the water.
- 6. farming, growing vegetables and fruits.
- 8. it is generated by the sunlight.
Down
- 1. cutting down a large number of trees.
- 3. chemicals to control or kill pests.
- 4. produces energy by catching the power of the wind.
- 7. the use of a waste product to make something else
- 9. harmful gasses and dust causes it.