Related Clues:
- Process something so it can be used again
- Exploit twice
- Not just scrap
- Save on eco-friendly transport
- Be a good recycler
- Don't throw away, maybe
- Part of an eco-friendly routine
- Ecologist's suggestion
- Companion of reduce and recycle
- One of the three R's of eco-friendliness
- One of the eco-friendly three R's
- Purpose of recycling
- Once more avail oneself of second half of Chartreuse
- Revolution by engineers to be green
- Turn bottles into bags, perhaps