1. What are the main environmental problems caused by the linear economy, as described in the text?
2. How did the industrial revolution and petrochemical industry contribute to the establishment of the linear economy?
3. Can you explain the key principles of the circular economy mentioned in the text?
4. How does the circular economy differ from the linear economy in its approach to resource use and waste management?
5. In what ways can the principles of a circular economy be applied in your personal or professional life?