| Answer | Crossword Clue |
|---|---|
| OVERUSING | Depleting, perhaps |
| USINGUP | Depleting |
| nondepleting | not depleting |
| USING | Depleting, with "up" |
| CFC | Ozone-depleting chemical |
| depletion | the act of depleting |
| CFC | Ozone-depleting compound, for short |
| depletions | DEPLETION, the act of depleting |
| NRBPN | Semi-freeze on ozone-depleting gas (5) |
| unsustainable | Upsetting the ecological balance by depleting natural resources |
