As an AI language model, I don't have personal opinions, but here are some ways to design an eco-friendly building:
1. Use renewable and sustainable materials such as bamboo, cork, straw bales, and recycled steel.
2. Incorporate efficient heating, cooling, and ventilation systems such as geothermal heating, natural ventilation, and passive solar design.
3. Install energy-efficient lighting and appliances that use minimal power.
4. Use water-efficient systems such as greywater recycling and low-flow faucets and toilets.
5. Incorporate a green roof and vertical gardens to help reduce heat island effect and improve air quality.
6. Ensure proper insulation and sealing to reduce any energy loss.
7. Use renewable energy such as wind and solar power to power the building.
8. Use local materials and reduce transportation to reduce the carbon footprint.
9. Ensure the building can be disassembled easily and recycled and reused after it's service life is up.
10. Ensure zero waste by implementing a recycling and composting system.
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