Related Clues:

• Recycling
• Convert from unreliable electricity - it's twice been cut off
• Use (waste) again
• To use up left-overs, cold starter with celery soup
• One of the three R's
• Behave greenly in relation to transport
• In relation to transport, behave greenly
• Use (rubbish) again
• Recycle (something)
• Army engineers wanting vehicle to be green
• The aim of recycling
• Creatively adapt touching series of songs?
• Fill, as old water bottles
• "Reduce, ___, recycle"
• About to use bike to save resources