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Wooden skyscrapers could be the future for cities (Economist)

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Discussion

  1. What will happen to the world population in the next 30 years?
  2. Do most people live in cities or in the countryside? Why?
  3. Can you name three different building materials? What are the advantages and disadvantages of each?
  4. What is a "carbon footprint"? What can you do to reduce it?
  5. Would you prefer to live in a wooden house or a concrete house? Why?

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