请描述一个可持续发展的城市方案。你的回答必须是一段3-5句的英文描述，并且必须包含"green space"和"energy efficiency"这两个短语。另外，这段话以html形式输出，用<p>标签包裹。
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<p>A sustainable city plan integrates green space strategically to promote biodiversity and improve air quality, while prioritizing energy efficiency in building design and urban infrastructure to reduce overall energy consumption and carbon footprint. This approach not only enhances the quality of life for residents but also supports long-term environmental sustainability and resilience against climate change.</p>
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