| Clue | Source | Date |
|---|---|---|
| Offshore disaster | The Telegraph Cross Atlantic | 14 Dec 2024 |
| Environmental disaster | Eugene Sheffer | 26 Feb 2018 |
| Dispersant target | ||
| Source of some slicks | ||
| Shore fouler | ||
| Exxon Valdez mishap | ||
| Exxon Valdez mishap | ||
| Ecological problem | ||
| Beach hazard |