Environmental protection

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Across
  1. 3. The process of giving students and the public the knowledge concerning the protection of the environment
  2. 7. The act of producing less waster
  3. 8. Able to be recycled
  4. 9. The protection of the natural environment
  5. 10. Not harmful to environment
Down
  1. 1. Using little electricity, gas
  2. 2. The act of separating recyclable materials in waster in the waste by category
  3. 4. Knowing that something exists and is important
  4. 5. To describe something that is likely to stay in good condition for a long time without breaking or getting weaker, even if used a lot
  5. 6. Able to continue for a long time without causing damage to the environment