| Clue | Source | Date |
|---|---|---|
| Unharmful to the atmosphere (5-8) | Puzzler | 24 Nov 2025 |
| Lacking CFCS (5-8) | ||
| Eco-safe plastic refined in Australia exclusively | The Times Cryptic | 24 Sep 2024 |
| Old district welcoming approach that protects the atmosphere | ||
| Compatible with bracing air first that won't destroy layer above us (5-8) | ||
| Devoid of CFCs (5-8) |