Circular economy
Big idea: Replace the old straight line 'take → make → waste' with a loop that keeps materials in use.
Linear economy (unsustainable)
- Take raw resources
- Make products
- Use, then throw away (waste)
Circular economy (sustainable)
- Design out waste
- Reuse, repair & recycle materials
- Regenerate nature
Uses: cuts waste & emissions, saves resources, supports local economies. Limitations: needs new infrastructure & rules; some materials can't be fully recycled.
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