Sustainability Crossword Challenge

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Across
  1. 4. Buying fewer new things supports this principle: Reduce, Reuse, _____ (7)
  2. 5. A device left plugged in still uses this (5)
  3. 7. Using one of these instead of plastic bottles reduces waste (9)
  4. 8. Heating homes efficiently helps cut these (9)
  5. 9. Buying this type of product reduces packaging waste (4)
  6. 10. Taking short ones saves water and energy (7)
  7. 13. A bin for paper, plastic, glass and metal (9)
  8. 15. Switching off lights and computers when not in use saves this (6)
  9. 16. Office printers should default to this mode (6)
Down
  1. 1. Doing this to old items instead of throwing them away (6)
  2. 2. Using both sides of paper saves this (7)
  3. 3. Working from home can reduce this (8)
  4. 6. Choosing these bags instead of plastic ones (9)
  5. 11. Turning taps off saves this (5)
  6. 12. Food scraps can go into this instead of the bin (7)
  7. 14. Switching to this type of bulb saves energy (3)