Environmental Week Crossword Puzzle

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Across
  1. 2. __________ change will upset the ecological balance.
  2. 5. Excessive burning of __________________ will speed up global warming.
  3. 7. _____________may lead to habit destruction of coral.
  4. 9. To help conserve ______________, we should switch off the lights when we don’t need them.
  5. 10. blue, yellow, brown (recycling bins)
  6. 13. Bring your ____________ shopping bag when you go to the grocery store.
  7. 14. Developing ____________ energy sources can slow down the burning of coal.
  8. 15. Economical, environmental, sociable.
  9. 16. ____________involves collecting organic waste and storing it under conditions designed to help it break down naturally, may help to reduce the amount of waste needing to be disposed.
  10. 19. The __________ Protocol was drawn up on 11 December 1997 to reduce emission of carbon dioxide.
Down
  1. 1. Tourist could experience the exotic natural environment through _____________.
  2. 3. Climate change may lead to __________ of species
  3. 4. __________ lead to decrease in photosynthetic activities, which may contribute to global warming.Acid rain may kill aquatic life.
  4. 6. Try to take a _________ transport vehicle in order to reduce the emission of exhaust gas.
  5. 8. Using ____________ to dispose waste may produce large amount of carbon dioxide.
  6. 11. To minimize pollution due to carriage over a long distance, we should purchase _________ products.
  7. 12. Introduction of contaminants into the natural environment that cause adverse change.
  8. 17. The government has set up _____________ in order to protect rare geological structures.
  9. 18. __________ waste is the major constituent of the municipal solid waste in Hong Kong.