| Clue | Source | Date |
|---|---|---|
| Rain and evaporation are part of it | Wall Street Journal | 06 Jul 2026 |
| Natural process that hints at this puzzle's theme | Universal | 21 Jul 2025 |
| Natural process suggested by the starts of 17-, 24-, 26-, 45- and 47-Across | New York Times | 13 Dec 2023 |