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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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Physical Risk

Physical risk is the financial risk to an organisation from the physical effects of climate change — divided between acute risks arising from extreme weather events and chronic risks arising from long-term shifts in climate patterns.

Regulation & Compliance

Plastic Credits

A plastic credit represents a fixed amount of plastic — typically one tonne — collected or recycled by a project, which a company can buy to support or claim plastic-reduction action.

Carbon Markets

Portfolio Decarbonization

Portfolio decarbonisation is the process by which a financial institution reduces the greenhouse gas emissions associated with its lending and investment portfolio, rather than only those from its own operations.

Sustainable Finance

Principal Adverse Impacts (PAI)

Principal Adverse Impacts (PAIs) are the most significant negative effects of investment decisions on sustainability factors — such as greenhouse gas emissions, biodiversity, water, waste and human rights — which financial-market participants must identify, disclose and, where they consider them, report against defined indicators under the SFDR.

Sustainable Finance

Product Carbon Footprint (PCF)

A product carbon footprint is the total greenhouse gas emissions associated with a specific product across a defined portion of its life cycle, expressed as CO₂ equivalent per functional unit.

Carbon Accounting

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REDD+

REDD+ is a UN framework that rewards developing countries for Reducing Emissions from Deforestation and forest Degradation, plus conserving and sustainably managing forests.

Carbon Markets

Reporting Boundary

A reporting boundary is the defined limit of what an organisation includes in a sustainability or greenhouse gas disclosure — which entities, operations, scopes and topics are covered — determining what is inside the report and what is left out.

ESG Reporting

Responsible Business Alliance

The Responsible Business Alliance (RBA) is the world's largest industry coalition for responsible global supply chains, best known for its Code of Conduct and its Validated Assessment Program (VAP) audits.

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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.