Sustainability
Decarbonization, circular economy, and supply chain due diligence
Practical Impact Guide to CSRD and CSDDD — Actions Japanese Companies Should Take Now
The Corporate Sustainability Reporting Directive (CSRD) and the Corporate Sustainability Due Diligence Directive (CSDDD) are beginning to directly affect Japanese companies from 2025 to 2026. This guide systematically covers the revised scope following the Omnibus I amendment, the cascading obligations through supply chains, practical response steps, and alignment with SSBJ standards.
GX-ETS Emissions Calculation and Reporting in Practice — A Preparation Guide for the First Year of Mandatory Compliance (FY2026)
Japan's GX Emissions Trading System (GX-ETS) launches as a mandatory scheme in April 2026, targeting GX League member companies with annual CO₂ emissions exceeding 100,000 tonnes (approximately 300–400 companies). This guide covers the end-to-end operational workflow for the first year of compliance, from inventorying emission sources and selecting calculation methods to third-party verification and integrated design with SSBJ disclosure.
SSBJ and CBAM Launch Simultaneously in 2026 — The Dual Challenge of 'Disclosure and Carbon Costs' Facing Japanese Companies
A February 2026 amendment to Cabinet Office ordinances establishes the legal basis for mandatory SSBJ disclosure, while CBAM enters full enforcement in January of the same year. Whether companies can design an integrated response to both regulations around the shared foundation of supply chain emissions data will determine their competitive edge.
SSBJ April 2027 Deadline Looms: Three Preparations Suppliers Must Make Now
Sosius has launched a free AI diagnostic tool, "SSBJ...", for companies listed on the Tokyo Stock Exchange Prime, in preparation for the Sustainability Standards Board of Japan (SSBJ) disclosure standards (applicable from the April 2027 period), enabling companies to easily assess their disclosure readiness.
SSBJ Disclosure Standards: A Practical Overview of What Japan-Listed Companies Need to Prepare
Japan's sustainability disclosure standards finalized by SSBJ in 2024 will be phased in starting with Prime Market companies. This article organizes the differences from ISSB standards, the implementation schedule, and key points for building a disclosure framework — from the perspective of procurement, IR, and ESG teams.
TCFD Climate Risk Financial Impact Assessment: Quantifying Transition and Physical Risks for Manufacturers
TCFD framework-based climate risk disclosure requires estimating the financial impact of transition and physical risks on financial statements. This work — which is also essential for compliance with SSBJ and ISSB standards — involves organizing the conceptual approach and the specific impact pathways for manufacturers.