GHG Accounting Is Entering a New Era: How GHG Protocol and ISO Standards Are Evolving
In 2026, the GHG Protocol and the ISO will combine their corporate carbon accounting standards into a single, harmonized global standard.
Hong Kong, Singapore, Shanghai

In 2026, the GHG Protocol and the ISO will combine their corporate carbon accounting standards into a single, harmonized global standard.
The International Auditing and Assurance Standards Board (IAASB)'s International Standard on Sustainability Assurance (ISSA) 5000 is set to become effective for sustainability assurance engagements for periods beginning on or after 15 December 2026. The next challenge in ESG reporting may not be disclosure — but evidence.
Singapore’s sustainability landscape has shifted from voluntary storytelling to rigorous, audit-ready compliance. To help organizations cut through the noise, GreenCo ESG Singapore has officially launched a dedicated resource hub: the Singapore Sustainability Guide.
In supporting of the HKSAR Government’s Roadmap on Sustainability Disclosures, AFRC published a consultation paper on proposing a regulatory framework for sustainability assurance in Hong Kong.
Explore the significance of carbon credits in HKEX's new publication with GreenCo for a sustainable future.
Act now to prepare for the 2025 HKEX ESG report and new mandatory climate risk disclosures. Ensure compliance.
Navigate key GHG Protocol Scope 2 updates with GreenCo, your accredited ESG advisory firm for tailored compliance.
HKICPA issues practical HKFRS S1/S2 Guidance – Part 1, helping sustainability and non-sustainability professionals navigate new HKFRS SDS disclosure requirements.
Key ESG updates in HKEX's 2025 Governance Guide: risk management & director training. Explore GreenCo's simplified summary.
GreenCo, established in 2016, offers tailored ESG advisory services aligned with sustainability reporting guidelines from mainland exchanges.