Environmental issues/disasters

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Across
  1. 3. destruction of forests
  2. 4. the condition of having a population so dense as to cause environmental deterioration
  3. 6. synonym for garbage or trash
  4. 9. gradual warming of the earth's surface temperature
  5. 11. the total amount of greenhouse gases produced to directly and indirectly support human activities
  6. 14. the process of transforming waste into new products
Down
  1. 1. to release pollutant substances into air
  2. 2. protecting natural sources
  3. 5. rain mixed with acid
  4. 7. pollution that affects the air and is usually caused by smoke or other harmful gases
  5. 8. noise with harmful impact on the activity of human or animal life.
  6. 10. fuels such as oil, coal, natural gas
  7. 12. absorbs a lot of heat from the sun's rays
  8. 13. community of animals, plants living in an area which provides what they need to survive