Related Clues:
- Don't throw away, maybe
- Have a look back
- Part of an eco-friendly routine
- Ecologist's suggestion
- Retain stronghold
- Companion of reduce and recycle
- Fulfill, as a promise
- Fortified castle tower
- One of the eco-friendly three R's
- Purpose of recycling
- Not sell
- Once more avail oneself of second half of Chartreuse
- Be eco-friendly with
- Green word?
- Look around in centre of castle