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Corporate disclosure & reporting

Mandatory and voluntary climate-disclosure regimes — CSRD/ESRS, IFRS S1/S2, TCFD, the SEC rules, GRI and national equivalents.

30 standardsreviewed Oct 2026

AASB S2 Climate-related DisclosuresA definitive reference to AASB S2 Climate-related Disclosures, Australia's ISSB-aligned standardCalifornia SB 253 & SB 261 Climate Disclosure LawsCalifornia SB 253 & SB 261 climate disclosure — definitive reference to Scope 1/2/3 reporting, climate risk…Canada CSSB — CSDS 1 & 2 Sustainability Disclosure Standards — The Definitive ReferenceCanada's CSDS 1 & 2 sustainability disclosure standards (CSSB), finalised December 2024: scope, ISSB alignment…CDP Climate Change QuestionnaireCDP Climate Change questionnaire — the disclosure framework, scoring methodology, scope module structure and…CSRD / ESRS E1 — Climate Disclosure StandardCSRD ESRS E1 climate disclosure — definitive reference to EU mandatory climate reporting: scope, double…CSRD ESRS E5 — Resource Use and Circular Economy — The Definitive ReferenceESRS E5 counts materials the way E1 counts emissions — in physical mass, not CO2e.ESRS E2 — Pollution, and the Substances Question That NarrowedESRS E2 covers EU pollution disclosure. Under ESRS (2026) the broad substances-of-concern metric narrows to…ESRS E3 — Water, and Why the Metrics Survived the CullESRS E3 is now titled Water. Marine resources moved to E4 and E5, E3-5 was deleted, but E3-4 still requires six…ESRS E4 — Biodiversity After the 61% CutESRS E4 is the EU mandatory biodiversity standard. The simplified ESRS (2026) cut mandatory datapoints by 61% and…EU Corporate Sustainability Due Diligence Directive (CSDDD)EU CSDDD explained: the Corporate Sustainability Due Diligence DirectiveEU Taxonomy RegulationEU Taxonomy Regulation — definitive reference to the six environmental objectives, substantial contribution…EUDR — Two Delays, and There Is No ThirdEUDR applies 30 Dec 2026. Two delays, no third. Simplification cut costs 75% but left geolocation, due diligence…GRI Standards (Environmental Topic Standards)GRI environmental topic standards — definitive reference to GRI 301–308: materials, energy, water, biodiversity…IFRS S1 General Sustainability DisclosuresIFRS S1 explained: the ISSB's baseline for general sustainability-related financial disclosuresIFRS S2 Climate-Related DisclosuresIFRS S2 climate-related disclosures — definitive reference to the global baseline for Scope 1/2/3 reporting…ISAE 3000 (Revised) — Not Withdrawn, Just NarrowerISAE 3000 (Revised) is not withdrawn. From 15 December 2026 it stops covering sustainability assurance and keeps…ISAE 3410 — Withdrawn in December, and What Replaces ItISAE 3410 is withdrawn on 15 December 2026 and replaced by ISSA 5000, which is not a GHG standard.ISO 14065 — Who Is Allowed to Verify, and What Changed in 2020ISO 14065 accredits the body, not the engagement. Since 2020 it covers environmental information generally, and…ISSA 5000 — The Standard Behind Every Sustainability Assurance ReportISSA 5000 covers assurance over all sustainability information from 15 December 2026: framework neutral…Japan SSBJ Sustainability Disclosure StandardsJapan's SSBJ sustainability disclosure standards (2025): the Universal, General and Climate standards, FSA mandate…PPWR — EU Packaging and Packaging Waste RegulationPPWR applies from 12 August 2026, with recyclability, recycled content and format bans in 2030SASB Standards — Not Retired, and IFRS S1 Makes You Consider ThemThe ISSB adopted the SASB Standards rather than superseding them.SEC Climate-Related Disclosure RulesSEC climate-related disclosure rules — definitive reference to the 2024 final rule, current litigation status, and…Singapore SGX Climate-related DisclosuresA definitive reference to Singapore's SGX climate-related disclosure rulesTCFD RecommendationsTCFD Recommendations — definitive reference to the four pillars: governance, strategy, risk management, metrics &…The Transition Plan Taskforce — The Body Is Gone, the Framework Isn’tThe TPT disbanded in 2024. The IFRS Foundation holds its Disclosure Framework as education, not a standard.TNFD — Voluntary Today, an ISSB Standard TomorrowThe TNFD is voluntary, not a standard. The ISSB takes on its work after Q3 2026, with an exposure draft due at…UK Mandatory Climate Disclosures (TCFD-Aligned)UK mandatory climate disclosures (TCFD-aligned) — definitive reference to LR 9.8.6R, SI 2022/31, and quoted-company…UK Streamlined Energy and Carbon Reporting (SECR)SECR is carbon reporting you can't shelve — it sits in your statutory accounts.VSMEVSME is EFRAG's voluntary sustainability standard for SMEs: one proportionate report, Basic and Comprehensive…
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