【摘要】 致使全球气候变暖的温室气体排放问题已经全面引起了人们的广泛关注。生命周期评价作为一种评价环境负荷的评价工具,用于科学定量地估算产品、服务及工艺流程改造等方面的温室气体排放有其独特的优势。文章介绍了估算温室气体排放简化生命周期的技术框架及生命周期评价方法在第一产业(种植业、畜牧业),第二产业(硬纸板加工、橡胶生产、废塑料燃烧的能源再利用)以及第三产业(交通运输、旅游业)的应用情况,并综述了三个产业中的主要系统边界划分原则以及对温室气体排放影响的主要因素;同时,介绍了我国在节能减排方面利用生命周期评价方法的研究与应用实例。更多还原

【Abstract】 The problem of the greenhouse gas emissions is becoming worldly extensive concern.As an environmental assessment tool,life cycle assessment has widely been used to calculate the GHG emission precisely and quantitatively not only in products,but also in service and technical promotion.In this article,the technical framework of LCA for estimating greenhouse gas emissions was introduced.When the LCA method was used in primary industry(planting,stockbreeding),secondary industry(producing hardboard,producing rubber),teritary industry(transporting,junketing),the system boundary,impact factors and greenhouse gas emissions were reviewed.The rules of definition the system boundary and impact factors were discussed.In addition,using LCA to estimate the GHG emission in energy conservation in China was also summarized.更多还原