| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | marine pollution | United States | Marine pollution is a major environmental concern, leading to government regulations and public campaigns to reduce waste and improve water quality. | 1 |
| 2 | ocean pollution | USA | Efforts to reduce plastic waste and chemical pollution are widely promoted | 1 |
| 3 | ocean resources | United States | Oceans provide abundant resources for fishing and seafood production | 1 |