According to www.re-flow.io, the EU’s CSRD mandates auditable Scope 3 emissions reporting starting in 2025 for large firms, expanding through 2028. Scope 3 typically accounts for 70–90% of a company’s carbon footprint and covers 15 value chain categories — from purchased goods to end-of-life treatment. Reporting must be structured, verifiable, and linked to financial statements. Companies may begin with spend-based estimates but must disclose methodology and progressively adopt activity-based data. Supply chain professionals now face urgent demands for supplier engagement, traceable data collection, and integration with lifecycle assessment frameworks aligned with ESRS and the GHG Protocol.
According to www.re-flow.io, the EU’s Corporate Sustainability Reporting Directive (CSRD) now requires companies to disclose not only their direct emissions but also their full value chain — particularly Scope 3 emissions, which typically represent 70–90% of a company’s carbon footprint.
What CSRD Requires for Scope 3
Under CSRD and its supporting European Sustainability Reporting Standards (ESRS), companies must:
- Disclose total GHG emissions, including Scope 1, 2, and Scope 3
- Describe the methodology, data sources, and assumptions used
- Perform a double materiality analysis — assessing both how climate affects the business and how the business impacts the climate
- Define emissions reduction targets, including actions taken across the value chain
This reporting must be structured, verifiable, linked to financial reporting, and ready for third-party assurance — moving far beyond annual CSR checklists.
Why Scope 3 Is Both Challenging and Critical
The source states that Scope 3 emissions span 15 categories defined by the Greenhouse Gas (GHG) Protocol, including purchased goods and services, transportation and distribution, use of sold products, end-of-life treatment, capital goods, and business travel and commuting. These categories make Scope 3 broad, complex, and highly variable between industries.
The challenges cited include:
- Data collection: Suppliers may lack emissions data or tools to share it
- Data quality: Many still rely on spend-based estimates (e.g., €1,000 on steel) rather than activity-based data (e.g., 500 kg of steel)
- Traceability: Without clear methods and sourcing, emissions data may not withstand external audits
- Complex supply chains: Especially in shipping, manufacturing, or construction
According to the report, Scope 3 compliance now directly affects regulatory compliance, financing decisions, and brand reputation. Investors evaluate supply chain emissions for ESG ratings; procurement teams increasingly request product-level carbon data; and misreporting can trigger penalties, reputational risk, or lost contract opportunities.
Implementation Timeline and Flexibility
The source states CSRD applies in phases:
- 2025: Large companies already covered by the Non-Financial Reporting Directive (NFRD)
- 2026–2028: Remaining large companies and listed SMEs, phased by size
On methodology, the report clarifies: “You can start with [spend-based estimates], but must disclose your methodology and improve quality over time. Activity-based data is preferred for accuracy and credibility.”
Practitioner Perspective: Actionable Readiness
For global supply chain professionals, this means supplier engagement is no longer optional — it’s foundational. Procurement, logistics, and sustainability teams must jointly establish traceable data pipelines, standardize carbon data requests (e.g., via EPDs or PCFs), and prioritize activity-based modeling where possible. Tools enabling digital supplier onboarding, automated LCA integration, and audit-ready documentation are becoming operational necessities — not just strategic advantages.
Source: www.re-flow.io
Compiled from international media by the SCI.AI editorial team.
