Calculation of product carbon footprint (PCF) – a key to supply chain transparency

In the context where the green economy and carbon neutrality are becoming global trends, the measurement of the product carbon footprint (Product Carbon Footprint – PCF) is playing an increasingly important role for enterprises. Beyond being a tool to quantify greenhouse gas emissions throughout the product life cycle, PCF also serves as a basis for organizations to improve operational efficiency, meet international environmental standards, and demonstrate commitments to sustainable development within global supply chains.

What is product carbon footprint?

Product carbon footprint (PCF) is a quantitative measure of the total amount of direct and indirect greenhouse gas (GHG) emissions generated throughout the entire life cycle of a product. Unlike other environmental measurements, it focuses on global warming potential (Global Warming Potential – GWP) and is used to measure, manage, and communicate GHG emissions associated with goods and services.

The scope of PCF extends from initial raw material extraction, through transportation, production, distribution, and use, to end-of-life treatment. The commonly used unit of measurement is kilograms or tonnes of carbon dioxide equivalent (kg CO₂e or tCO₂e) per functional unit of the product.

ISO 14067 is the most widely recognized international reference standard for conducting PCF. This standard is developed based on the broader life cycle assessment (Life Cycle Assessment – LCA) standards ISO 14040 and ISO 14044, and provides a general framework for calculation.

Importance of calculating product carbon footprint

According to the World Meteorological Organization (WMO), atmospheric CO₂ concentration in 2024 reached 425 parts per million (ppm), the highest level since measurements began. The global average temperature has increased by 1.45°C compared to the pre-industrial period, and production and consumption activities account for nearly 70% of these emissions.

Under increasing global pressure to reduce emissions, many countries have incorporated product carbon footprint into climate and trade policy frameworks. In Europe, the Carbon Border Adjustment Mechanism (CBAM) will officially take effect from 2026, requiring exporting enterprises to disclose CO₂ emissions generated during production. In Japan and the Republic of Korea, carbon labeling programs have become mandatory criteria in many consumer goods and industrial sectors.

Beyond compliance, PCF calculation also introduces a new approach to emissions management. According to McKinsey, more than 90% of an enterprise’s greenhouse gas emissions originate from its supply chain and products—areas that can only be accurately measured through PCF. As major corporations such as Unilever, Apple, and Toyota require suppliers to disclose emissions data, failure to keep pace with this trend entails the risk of exclusion from global value chains.

Accordingly, PCF not only has environmental significance but also reflects an enterprise’s competitiveness and adaptability in the low-carbon economy, where transparency and emissions responsibility are increasingly becoming a common reference framework in international markets.

Which enterprises should apply PCF calculation?

Product carbon footprint (PCF) provides benefits for all enterprises; however, it is particularly necessary for sectors with high emission levels or participation in international supply chains.

Manufacturing and processing enterprises such as steel, cement, chemicals, textiles, electronics, and automotive industries are groups with high emissions from materials and energy consumption (scope 1 and scope 2). Therefore, applying PCF helps them enhance emissions transparency and meet the requirements of global corporations.

For fast-moving consumer goods (FMCG) sectors such as food, beverages, cosmetics, and household goods, PCF supports the control of emissions from raw materials and packaging—factors that consumers increasingly consider when assessing product sustainability.

International exporting enterprises, particularly those supplying markets such as the EU, the United States, or Japan, require PCF to comply with carbon border regulations (such as the EU CBAM) and stringent environmental standards.

In addition, logistics and transportation sectors should apply PCF, as emissions mainly originate from operational fuel use; calculation supports cost optimization and reduction of legal risks.

Finally, energy and resource enterprises such as electricity generation, oil and gas, and mining need to determine carbon footprints per unit of product (e.g. kWh of electricity, liters of fuel) to support ESG disclosure and carbon credit trading.

What benefits does PCF calculation bring to enterprises?

The calculation of product carbon footprint not only enables enterprises to clearly understand greenhouse gas emissions at each stage of production, but also delivers multiple strategic values. It serves as a basis for evaluating environmental performance, optimizing operations, and building a sustainable corporate image in the perception of partners and consumers. The following are notable benefits that PCF calculation provides to enterprises:

• Create differentiation and enhance competitive advantage for the enterprise.
• Support business decision-making and social responsibility.

The quantification of product carbon footprint is not only the starting point for emission reduction strategies but also an essential tool enabling enterprises and individuals to proactively respond to climate change.

• Enhance individual awareness: enabling consumers to understand the environmental impacts of daily choices, thereby supporting more sustainable consumption decisions.
• Identify key emission sources: allowing enterprises to recognize stages with high greenhouse gas emissions throughout the product life cycle—from raw materials and production to distribution and post-consumption treatment.
• Establish a foundation for Net Zero targets: carbon footprint measurement is a prerequisite for developing effective and verifiable emission reduction pathways in accordance with international standards such as PAS 2050 or ISO 14067.
• Increase transparency in ESG reporting: providing quantitative data for sustainability reporting and strengthening credibility among investors and international partners.
• Improve operational efficiency: through optimization of production processes and more efficient energy use, contributing to long-term cost reduction.

Conclusion

The calculation of product carbon footprint is not merely a technical step within the sustainable management chain, but also a measure of an enterprise’s environmental responsibility. When emissions data are clearly quantified, enterprises can proactively improve processes, reduce risks, and enhance competitive advantages in a context where the green economy is becoming a global trend.