Across
- 4. Carbon dioxide is produced from what substance
- 6. How many trees can you save a year of you don't use paper cups
- 7. What effect does carbon dioxide have on the environment
Down
- 1. How much CO2 emissions do paper cups make
- 2. What agreement has the world come to on carbon dioxide emissions and what is the agreement called
- 3. What is the material used to coat paper cups
- 5. What is the second most pollutant gas in the atmosphere