Comparison of International Low-Carbon and sustainable District Evaluation Systems and the Implications for China

Abstract

To mitigate global warming, various nations have pledged to achieve net-zero carbon emissions by implementing legislative, policy, and standardization measures. Districts, as key spatial units, are critical for advancing carbon reduction, especially in China, where building operations contribute significantly to total energy consumption. However, systematic research on low-carbon districts remains limited, highlighting the need for robust evaluation frameworks. This paper presents a comparative analysis of three major international low-carbon and sustainable district certification systems: LEED-ND, BREEAM Communities, and DGNB System for Districts. It reveals the unique applications and differences of these systems in the sustainability assessment of districts. Based on the research analysis, all three systems demonstrate significant advantages in lifecycle management, low carbon emissions, resource conservation and social benefits enhancement. However, they exhibit differences in evaluation scope: LEED-ND emphasis on early planning of community design and green infrastructure; BREEAM Communities balances transportation, resource management, and ecological protection; and DGNB System for Districts underscores comprehensive quality control and economic efficiency throughout the lifecycle. The comparison provides insights into practical standards for developing low-carbon districts, offering guidance for establishing localized evaluation frameworks in China. The paper recommends integrating strengths from each system to enhance the management and implementation of zero-carbon districts.