When designing an eco-friendly building, some key elements I consider are: 1) Energy efficiency: optimizing the building's design to minimize energy waste by using better insulation, properly positioned windows, and renewable energy sources like solar panels. 2) Resource conservation: using recycled and locally sourced materials to reduce transportation emissions and waste. 3) Water conservation: implementing water-saving features like rainwater capture systems, low-flow plumbing fixtures, and drought-resistant landscaping. 4) Indoor air quality: using low-VOC materials and proper ventilation systems to ensure a healthy indoor environment for occupants.
Take the role of a renowned architect, and briefly describe the key elements or principles you consider when designing an eco-friendly building.