Environmental Puzzle

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Across
  1. 2. Animal symbol of Earth Day
  2. 4. Container to carry groceries
  3. 7. Harmful substance in the air
  4. 8. Material that decomposes naturally
  5. 9. Reduce, __, recycle
  6. 11. Energy saving light source
Down
  1. 1. Gas that protects Earth from the sun
  2. 3. Place where plants and animals live
  3. 5. Vehicle that does not pollute
  4. 6. Renewable energy from the sun
  5. 10. Turn off lights when not in use to ___ energy