采用具备广泛共识,且在建筑环境影响分析领域普遍应用的国际标准《ISO21930:2017 Sustainability in buildings and civil engineering works-Core rules for environmental product declarations of construction products and services 建筑和土木工程的可持续性—建筑产品和服务的环境产品声明的核心规则》构建覆盖建筑全生命期的建筑碳排放计算方法,兼容中国国家标准《建筑碳排放计算标准》GB/T51366,满足设计、运行各环节利益相关方需求。