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ISO/NP 26457 Guideline for Calculation of Carbon Footprints for Cement products

Scope

This document aims to provide guidelines for quantifying the Carbon Footprint of Products (CFP) for cement products based on life cycle thinking, with the goal of promoting environmental improvement within the cement-related industries. Specifically, this document covers the principles, requirements, and reporting related to the quantification of CFP for cement products, as well as carbon offsetting and the communication of CFP or partial CFP information as a single impact category. Additionally, this document describes Product Category Rules (PCR) for cement products, defining specific rules, requirements, and guidelines to reduce uncertainty.

Purpose

Recently, as carbon neutrality has emerged as a major agenda for global greenhouse gas reduction, international carbon trade regulations such as the EU's CBAM and the G7's Climate Club are expected to be intensified.

Furthermore, regarding carbon trade regulations, the products of cement industry(including clinker, Portland cement, calcined clay and alumina cement) are one of the main products subject to carbon taxes and required to report the direct and indirect carbon emissions.

In accordance with this global trend, there is a need for an internationally accepted standard for calculating carbon emissions not only in scope 1 and 2, but also in scope 3. ISO 14067 stipulates the procedures and methods for calculating carbon emissions for general-purpose products, and life cycle assessment is required to follow ISO 14040 and ISO 14044. However, international standards for assessing the carbon emissions of individual products are barely established. This discrepancy particularly indicates the need for specific requirements through Product-Specific Rules (PSR) developed by product committees. Overall, this emphasizes the urgent need to develop accurate and defensible guidelines for Carbon Footprint of Products (CFP) for selected areas and specific products within product committees.

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