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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?

Browse A-Z

I

ISO 14001

ISO 14001 is the international standard for environmental management systems, specifying the requirements an organisation must meet to manage its environmental responsibilities systematically and improve performance over time.

Regulation & Compliance

ISO 14064

ISO 14064 is the international standard for greenhouse gas quantification, reporting and verification, giving organisations and project developers a consistent, verifiable basis for measuring and validating their emissions across three parts.

Ratings

ISO 14067

ISO 14067 is the international standard for quantifying and reporting the carbon footprint of a product, setting out how to calculate a product's life-cycle greenhouse gas emissions on a consistent, comparable basis.

Ratings

ISO 26000

ISO 26000 is the international standard providing guidance on social responsibility — how any organisation can operate ethically and transparently across seven core subjects — but unlike most ISO standards it is guidance only and is not certifiable.

Ratings

J

Just Transition

A just transition is an approach to moving toward a low-carbon economy that shares the benefits fairly and protects the workers and communities that depend on high-carbon industries.

Climate Strategy

K

Key Performance Indicator (Sustainable Finance)

In sustainable finance, a Key Performance Indicator (KPI) is the specific metric used to measure an issuer's or borrower's sustainability performance in a sustainability-linked bond or loan.

Sustainable Finance

L

Leakage (Carbon Projects)

Leakage is a carbon-project quality issue where emissions reductions achieved inside a project boundary cause emissions to increase outside it, reducing the net climate benefit.

Carbon Markets

Life Cycle Assessment (LCA)

A Life Cycle Assessment (LCA) is a systematic, ISO-standardized method for quantifying the environmental impacts of a product, service, or process across its entire life cycle — from raw material extraction through production, use, and end of life — providing the methodological foundation for Product Carbon Footprints, Environmental Product Declarations, and CBAM embedded emissions calculations.

Climate Strategy
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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.