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"As part of our global sustainability strategy, Lohmann began building internal expertise in Product Carbon Footprinting (PCF) at an early stage. Today, we are able to calculate the carbon footprint of each product in our portfolio with precision – based on internationally recognized standards."

 

Oliver Sombrey, Sustainability Manager at Lohmann

What is a
Product Carbon Footprint?

A Product Carbon Footprint (PCF) represents the total greenhouse gas emissions associated with a product’s lifecycle, expressed in CO2 equivalents (CO2e). It includes direct and indirect emissions during clearly defined stages – making it a key component of modern environmental performance assessment.

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What are PCFs used for?

At Lohmann, PCFs serve as a transparent and reliable tool to assess and communicate the climate impact of our products.
They help us and our customers identify emission hotspots along the value chain and define targeted reduction strategies – enabling informed choices in product selection, development, and sustainability planning.

 

How is a PCF Calculated?

To ensure reliability, comparability and transparency, we follow internationally recognized standards in every step of the calculation.
Our approach is based on the globally established Life Cycle Assessment (LCA) methodology and is designed to deliver meaningful results that support concrete action.

  1. Defining system boundaries
    We determine which life cycle phases are included – currently using the internationally accepted “cradle to gate” model, covering emissions from raw material extraction to factory gate
  2. Creating a life cycle inventory (LCI)
    We systematically capture and quantify all relevant inputs and outputs (materials, energy, logistics, etc.).
  3. Performing an impact assessment
    We apply standardized emission factors to calculate CO2e and translate process data into environmental impact values.
  4. Evaluating and identifying reduction potential
    We analyze results, pinpoint emission drivers and derive actionable optimization strategies.

 

Norms and Standards

Our PCF methodology is grounded in leading international frameworks and industry standards:

  • ISO 14040 / 14044 – Life Cycle Assessment
  • ISO 14067 – Carbon Footprint of Products
  • GHG Protocol Product Standard – WRI/WBCSD
  • PAS 2050 – BSI specification for carbon footprinting
  • TfS Guideline – “Together for Sustainability,” chemical industry standard

These standards ensure transparency, comparability, and consistency – globally and across industries.

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Why are PCFs becoming increasingly important?

PCFs are gaining relevance from both ecological and economic perspectives:

  • Regulatory compliance
    Legal frameworks such as CSRD or the Supply Chain Act require detailed CO2 data across the supply chain.

  • Proof of sustainability and trust
    PCFs provide quantifiable insights – for customers, partners, and investors alike.

  • Operational efficiency
    Identifying emission hotspots helps streamline processes and reduce costs.

 

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