| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | carbon dioxide | Western countries | In Western countries, carbon dioxide emissions are a major environmental concern and a focal point in climate change discussions. | 7 |
| 2 | carbon dioxide | Pacific Island nations | High levels of carbon dioxide increase sea levels and threaten low-lying Pacific Island nations. | 1 |
| 3 | carbon dioxide | everyday life | Burning fossil fuels releases carbon dioxide, which is harmful to the environment in everyday life. | 1 |