As an AI language model, I don't have the ability to provide you with the most updated information but in general, energy efficiency requirements for land development may vary by location, state, country, and local building or zoning codes. Some common requirements, however, may include:
1. Building orientation to maximize natural light and solar heat gain
2. Use of energy-efficient materials and systems, including lighting, heating, ventilation, and air conditioning (HVAC), and insulation
3. Installation of energy-efficient windows and doors
4. Use of renewable energy sources such as solar panels or wind turbines
5. Integration of green spaces and landscaping to reduce urban heat island effect and provide shade
6. Implementation of water conservation measures such as stormwater harvesting and irrigation
7. Use of low-flow fixtures and appliances to reduce water consumption
8. Proper waste management to minimize landfill contributions and maximize recycling and composting efforts.
It's important to consult local building codes and regulations to ensure compliance with specific energy efficiency requirements for land development in a particular area.
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