Environmental conservation

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Across
  1. 3. skills or knowledge in a particular field
  2. 4. or promoting progress
  3. 5. to someone or something
  4. 8. to a land or region
  5. 9. out of
  6. 10. felt or done by each person towards the other
  7. 11. observations of the weather in a place for a long time
  8. 12. anew especially in an improved manner
Down
  1. 1. to be thrown away rather than refilled or repaired
  2. 2. of all things not affected by human technology, production
  3. 6. well
  4. 7. or increase in stature