| Answer | Crossword Clue |
|---|---|
| RECYCLER | Conserving one |
| CAMEL | Water-conserving critter |
| ECO | ...-san (water-conserving toilets and such) |
| conservation | The action of conserving something, in particular |
| sustainable | (esp. of development, exploitation, or agriculture) Conserving an ecological balance by avoiding depletion of natural resources |
