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Greenhouse Gas (GHG) Accounting & Climate Strategy

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Greenhouse Gas (GHG) Accounting & Climate Strategy

Structured Scope 1–3 Emissions Architecture for Governance, Compliance & Defensible Climate Execution
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Greenhouse Gas (GHG) Accounting & Climate Strategy

Greenhouse Gas (GHG) accounting is not a reporting exercise. It is a structural mapping of organizational exposure across operational, financial, and supply chain systems.

DEISO delivers Scope 1, Scope 2, and Scope 3 emissions accounting aligned with:

  • ISO 14064 (GHG Quantification & Reporting)

  • ISO 14040 / 14044 (Life Cycle Assessment)

  • GHG Protocol Corporate Standard

  • GHG Protocol Scope 3 Standard

  • Regulatory and sector-specific disclosure frameworks

Our objective is not carbon estimation — it is governance-ready, verification-aligned climate intelligence.


When Carbon Accounting Fails

Many organizations calculate emissions but cannot defend them.

Common structural failures include:

  • Undefined organizational and operational boundaries

  • Inconsistent consolidation methodologies (equity share vs control approach)

  • Incomplete Scope 3 category mapping

  • Double counting across subsidiaries

  • Supplier emission assumptions without traceability

  • Misaligned emission factors and databases

  • Lack of documentation architecture for verification

Under investor scrutiny, regulatory alignment, or third-party assurance, weak structures collapse.

Carbon numbers without system logic create exposure.


Scope 1–3 Emissions: Structural Mapping Framework

Scope 1 – Direct Emissions

Controlled operational emissions including fuel combustion, process emissions, and owned assets.

Scope 2 – Indirect Energy Emissions

Location-based and market-based electricity accounting with supplier-specific data evaluation.

Scope 3 – Value Chain Emissions

Upstream and downstream value chain emissions across 15 GHG Protocol categories, including:

  • Purchased goods & services

  • Capital goods

  • Transportation & distribution

  • Waste generated in operations

  • Business travel

  • Employee commuting

  • Use of sold products

  • End-of-life treatment

Scope 3 is not estimated through shortcuts. It requires system boundary clarity, allocation logic, and in many cases, hybrid LCA integration.


What Makes DEISO Different

Most providers deliver:
  • Spreadsheet-based emission calculations

  • Generic emission factor aggregation

  • Software-only outputs

  • Narrative-heavy climate reports

DEISO delivers:

  • Structured boundary definition aligned with ISO methodology

  • LCA-integrated Scope 3 modeling where relevant

  • Allocation transparency

  • Emission factor traceability

  • Documentation protocols ready for assurance review

  • Governance-level reporting alignment

We operate at the intersection of:

  • Sustainability engineering

  • Life Cycle Assessment

  • GHG Protocol implementation

  • ESG disclosure integration

  • Digital sustainability systems

Carbon accounting must integrate with operations — not remain isolated within reporting teams.


Standards & Framework Alignment

All engagements align with:

  • ISO 14064-1 (Organizational GHG Quantification & Reporting)

  • ISO 14064-3 (Verification & Validation)

  • ISO 14040 / 14044 (Life Cycle Assessment)

  • GHG Protocol Corporate Standard

  • GHG Protocol Scope 3 Standard

  • Science-Based Target methodology alignment (where applicable)

  • Sector-specific regulatory obligations

Methodological coherence is prioritized:

  • Defined organizational boundary

  • Clear operational control structure

  • Transparent emission factor sources

  • Documented assumptions

  • Version-controlled data systems

  • Verification-ready reporting architecture

The objective is defensibility, not appearance.


From Accounting to Climate Strategy

Carbon accounting without transition planning is incomplete.

DEISO integrates:

  • Emission hotspot identification

  • Scenario modeling

  • Reduction pathway structuring

  • Supplier engagement mapping

  • Decarbonization roadmap development

  • Net-zero alignment frameworks

We convert emissions data into actionable climate governance.


Who This Is Designed For

  • Corporate sustainability directors

  • ESG and compliance teams

  • Climate strategy officers

  • Engineering & operations leaders

  • Multinational organizations with complex supply chains

  • Companies preparing for regulatory disclosure

  • Organizations under investor scrutiny

This is not designed for:

  • Basic carbon calculators

  • Low-cost template reports

  • Academic exercises

  • Organizations unwilling to provide structured operational data


Engagement Models

  • Full Scope 1–3 organizational accounting

  • Scope 3 structural rebuild

  • Climate governance integration

  • Assurance preparation support

  • LCA-integrated Scope 3 modeling

  • Long-term advisory retainers

  • Internal capacity building programs

Delivery formats:

Remote | Hybrid | Onsite


Begin Structured Climate Engagement

If your organization requires defensible Scope 1–3 emissions accounting aligned with ISO and GHG Protocol standards:

Discuss Applicability
Request a Quotation
Explore Climate Strategy Integration

Contact DEISO

Email: info@dei.so
Website: https://dei.so

All inquiries are treated confidentially and scoped according to regulatory and institutional requirements.

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Contact Info.

English Address:
Level 21 Shiodome Shibarikyu Building
1-2-3 Kaigan, Minato-ku
105-0022 Tokyo, Japan.

Japanese Address:
〒105-0022 東京都港区海岸1-2-3
汐留芝離宮ビルディング21階, 合同会社DEISO.

Phone (JP): 03-5403-6479 / 0488-72-6373
Phone (EN): 070-6969-7700
Fax: 03-5403-6475 / 0488-72-6373
Email: info@dei.so

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