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Glossary

Insights

Glossary

Clear definitions of the sustainability, climate, and ESG terms that matter most — from CBAM and CSRD to SBTi and PCAF. Written by Semtrio's advisory team.

Are there any terms you don't recognise?

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I

IFRS Sustainability Disclosure Standard S2 (IFRS S2)

IFRS S2 is a global sustainability disclosure standard issued by the International Sustainability Standards Board (ISSB) that requires companies to identify, measure, and disclose material climate-related risks and opportunities — including their financial impacts on strategy, business model, and cash flows.

Regulation & Compliance

IMO Carbon Intensity Indicator (CII)

The IMO Carbon Intensity Indicator (CII) is a mandatory measure under the International Maritime Organization that rates the operational carbon efficiency of large ships on an A-to-E scale, requiring their carbon intensity to improve year on year.

Regulation & Compliance

Impact Investing

Impact investing is investing made with the explicit intention of generating positive, measurable social or environmental impact alongside a financial return.

Sustainable Finance

Impact Materiality

Impact materiality is the assessment of how significantly an organisation's activities affect people and the environment — the outward-looking half of double materiality, judged on the severity and likelihood of the impact rather than on any financial consequence to the organisation.

ESG Reporting

Impact Report (Green Finance)

An impact report is the post-issuance document in which an issuer discloses the environmental or social outcomes achieved by the projects financed with a green, social or sustainability bond.

Sustainable Finance

Integrated Reporting

Integrated reporting is an approach to corporate reporting that presents financial and sustainability performance in a single connected narrative, explaining how an organisation creates value over the short, medium and long term.

ESG Reporting

International Sustainability Standards Board (ISSB)

The ISSB is the standard-setting body that develops the IFRS Sustainability Disclosure Standards, established by the IFRS Foundation to give investors a single global baseline for sustainability reporting.

ESG Reporting

Internationally Transferred Mitigation Outcomes

ITMOs are emission reductions or removals transferred between countries under Article 6.2 of the Paris Agreement and counted toward the buying country's climate target.

Carbon Markets
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Have a question we haven't defined yet?

If you're working through a regulatory framework or sustainability challenge and need clarity on a specific term or concept — our team is here to help directly.