Air Quality

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Across
  1. 2. Greenhouse gas from agriculture
  2. 6. Non-renewable energy source
  3. 7. Protective layer harmed by CFCs
  4. 8. Rain with high acidity
  5. 10. Tiny particles in smoke
Down
  1. 1. Black carbon residue from combustion
  2. 3. Gases released by vehicles/industries
  3. 4. Pollutant group including NOx
  4. 5. Hazy air pollution caused by fumes
  5. 9. Element key in greenhouse gas CO₂