Across
- 1. A state of matter that is also the second word of greenhouse
- 5. The abbreviated way of saying carbon dioxide.
- 6. The first word of a two-word gas that contributes to warming the Earth.
- 7. A mixture of gases that surround the Earth.
- 8. The production and discharge of something.
Down
- 1. The first word of two words that overall keep the Earth warm and are currently overheating the Earth.
- 2. The second word of a two-word gas that contributes to warming the Earth.
- 3. A blackish rock that is burned for fuel and to generate electricity.
- 4. The total amount of carbon dioxide which is generated as a result of our actions.