BS PAS 2070:2013+A1:2014规定了评估 城市或城市的温室气体（GHG）排放 区域使用两种不同的方法。这些认识 作为商品和服务的消费者和生产者的城市 服务，并提供对 城市的温室气体排放。温室气体排放评估 方法包括:直接加供应链（DPSC）方法；基于消费（CB）的方法。DPSC方法可捕捉区域温室气体 排放量以及与最大供应量相关的排放量 为城市服务的连锁店，其中许多都与 城市基础设施。它包括直接温室气体排放 来自城市边界内的活动和间接 使用电网供应的能源产生的温室气体排放 电力、供暖和/或制冷、跨境旅行 以及关键商品消费的供应链 以及在城市边界以外提供的服务（例如。 G 供水、食品、建筑材料）。DPSC方法以全球协议为基础 社区规模温室气体排放量（GPC） [3] 由世界资源研究所（WRI）开发， C40城市气候领导小组和地方气候变化倡议 政府希望可持续性包括更广泛的 间接温室气体排放的范围，并与 GPC涵盖的排放源。CB方法论涵盖了直接和生命周期 中国消费的所有商品和服务的温室气体排放量 城市居民，即温室气体排放量分配给 商品和服务的最终消费者，而不是 这些温室气体排放的原始生产者。这个 CB方法不评估 在一个城市内生产的商品和服务 出口到城外消费， 访客活动，或为访客提供的服务。一种纯粹的地域会计方法 关注一个边界内的所有温室气体源并不重要 提供，但城市边界内的温室气体排放 可作为DPSC方法的子集进行计算。包含以下内容:修正案，2014年5月

BS PAS 2070:2013+A1:2014 specifies requirements for the assessment of greenhouse gas (GHG) emissions of a city or an urban area using two distinct methodologies. These recognize cities as both consumers and producers of goods and services, and provide a complementary insight of a city's GHG emissions. The GHG emissions assessment methodologies are:a direct plus supply chain (DPSC) methodology;a consumption-based (CB) methodology.The DPSC methodology captures territorial GHG emissions and those associated with the largest supply chains serving cities, many of which are associated with city infrastructures. It covers direct GHG emissions from activities within the city boundary and indirect GHG emissions from the consumption of grid-supplied electricity, heating and/or cooling, transboundary travel and the supply chains from consumption of key goods and services produced outside the city boundary (e.g. water supply, food, building materials).The DPSC methodology builds on the Global protocol for community-scale greenhouse gas emissions (GPC) [3], developed by the World Resources Institute (WRI), C40 Cities Climate Leadership Group and ICLEI Local Governments for Sustainability to include a wider range of indirect GHG emissions, and is consistent with emission sources covered by the GPC.The CB methodology captures direct and life cycle GHG emissions for all goods and services consumed by residents of a city, i.e. GHG emissions are allocated to the final consumers of goods and services, rather than to the original producers of those GHG emissions. The CB methodology does not assess the impacts of the production of goods and services within a city that are exported for consumption outside the city boundary, visitor activities, or services provided to visitors.A purely territorial accounting methodology, which focuses on all GHG sources within a boundary is not provided, but GHG emissions within the city boundary can be calculated as a subset of the DPSC methodology.Incorporates the following:Amendment, May 2014