Across
- 1. this is when you make a place tidy by removing things from it.
- 5. this is the increase in world temperatures caused by polluting gas.
- 8. to be likely to cause harm or damage to someone or something.
Down
- 2. this means not harmful to the environment.
- 3. this is the amount of energy that a person/organization uses.
- 4. this is the mixture of gases that protect the Earth.
- 6. this is a substance produced by chemistry
- 7. this means not using chemical products when growing plants for food.