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Climate and sustainability
glossary

Understand the methods, indicators and regulations behind environmental decisions. Browse all 196 terms or search for a definition.

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Concept

1.5°C

1.5°C Pathway

GHG emissions reduction pathway compatible with the Paris Agreement objective of limiting global warming to 1.5°C above pre-industrial levels.

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Organisation

ABC

Association Bilan Carbone®

French association maintaining and promoting the Bilan Carbone® method.

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Method

ACA

Absolute Contraction Approach

SBTi method for setting targets through a uniform absolute reduction: -4.2 %/year to align with 1.5 °C.

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Method

ACV

Life Cycle Assessment

Assessment of a product’s environmental impact across multiple criteria and every stage of its life: raw material extraction, manufacturing, transport, use and end of life.

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Concept

Adaptation

Climate Adaptation

Actions aimed at preparing for and adjusting to the already observable or expected consequences of climate change.

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Concept

Additionality

Principle that a climate action (project, carbon credit) must create an effect only because it took place, rather than an effect that would have occurred anyway.

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Organisation

ADEME

French Agency for Ecological Transition

French public agency responsible for climate methodology tools (Bilan Carbone®, Base Carbone, Bilans GES platform).

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Regulation

AGEC

French Anti-Waste Law for a Circular Economy

French law of 2020 structuring the transition to a circular economy: single-use plastic bans, repairability index, EPR and ending the destruction of unsold goods.

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Organisation

ARPP

French Professional Advertising Regulatory Authority

Advertising self-regulatory body in France; publishes the Sustainable Development Recommendation.

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Regulation

Article 6

Article 6 of the Paris Agreement

Framework for international cooperation between States to achieve their climate contributions through carbon transfers and credits.

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Organisation

B Corp

Certified B Corporation

International certification assessing a company’s overall social and environmental performance.

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Method

BC

Bilan Carbone®

Annual accounting of an organisation’s greenhouse gas emissions across scopes 1, 2 and 3.

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Concept

BECCS

Bioenergy with Carbon Capture and Storage

Biomass combustion (combined heat and power, ethanol) coupled with capture and storage of the emitted CO₂: theoretically, negative net emissions.

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Regulation

BEGES

Greenhouse Gas Emissions Inventory

Mandatory carbon inventory in France for companies with more than 500 employees and the State.

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Framework

Benchmark

Benchmark (ETS / CBAM)

Reference carbon intensity of an efficient European producer, used to calculate the free allocation deducted from the CBAM bill.

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Concept

Carbon Contribution

Contribution to Collective Neutrality

Alternative concept to ‘offsetting’: funding climate projects outside your value chain without claiming personal neutrality.

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Regulation

CBAM

Carbon Border Adjustment Mechanism

European carbon border adjustment mechanism, taxing imports of carbon-intensive products (cement, iron, steel, aluminium, fertilisers, electricity, hydrogen).

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Finance

CBAM Certificate

CBAM Certificate (MACF)

Unit an importer buys and then surrenders to cover the embedded emissions of imports: one certificate corresponds to one tonne of CO2 at the European carbon market price.

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Concept

CCS

Carbon Capture and Storage

Capture of CO2 emitted by an industrial facility, followed by deep geological storage.

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Concept

CCUS

Carbon Capture, Utilization and Storage

Extension of CCS with the use of captured CO₂ in a product (EOR, synthetic fuels, chemicals, materials).

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Organisation

CDP

Carbon Disclosure Project

British NGO collecting and publishing environmental data from companies and local authorities at investors’ request.

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Regulation

CEE

Energy Savings Certificates

French scheme requiring energy sellers to encourage their customers to save energy.

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Method

CFB-EV

Carbon Footprint of Batteries for Electric Vehicles

Method for calculating the carbon footprint of electric vehicle batteries under Article 7 of Regulation (EU) 2023/1542, whose delegated act has still not been adopted.

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Method

CFP

Carbon Footprint of Product

Carbon footprint of a product throughout its life cycle, expressed in kgCO2e per functional unit.

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Indicator

CH4

Methane

Second main GHG after CO2, ~16% of global emissions, mainly from agriculture (livestock) and fossil fuel leaks.

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Organisation

Citepa

Interprofessional Technical Centre for Studies on Air Pollution

Organisation producing France’s national inventory of greenhouse gas and air pollutant emissions, published annually in the Secten report.

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Framework

ClimaDiag Commune

ClimaDiag Commune (Météo-France)

Free Météo-France service producing a climate summary for each municipality across the 3 TRACC horizons, organised into 5 groups of indicators.

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Regulation

Climate and Resilience

Law No. 2021-1104 of 22 August 2021 on combating climate change and strengthening resilience

Law arising from the Citizens’ Convention on Climate, whose Article 35 makes an environmental criterion mandatory in all public contracts by 22 August 2026 at the latest.

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Concept

Climate Tech

Ecosystem of technologies dedicated to reducing, measuring or adapting to climate change: low-carbon energy, capture, mobility, agriculture, GHG measurement.

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Framework

CN Code

Combined Nomenclature

8-digit European customs code classifying each good: determines whether an imported product falls within CBAM’s scope.

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Indicator

CO2

Carbon Dioxide

Main anthropogenic greenhouse gas, from fossil fuel combustion and certain industrial processes.

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Method

Cradle-to-grave

LCA scope covering the entire life cycle, from raw material extraction to end of life, distinct from cradle-to-gate (up to the factory gate) and well-to-wheel (use only).

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Framework

CRREM

Carbon Risk Real Estate Monitor

European scientific framework for decarbonisation pathways by building type, used by real estate actors to assess an asset’s carbon risk.

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Regulation

CSDDD

Corporate Sustainability Due Diligence Directive

EU Directive 2024/1760 imposing corporate due diligence on human rights and the environment across companies’ chains of activities.

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Regulation

CSRD

Corporate Sustainability Reporting Directive

European Directive 2022/2464 requiring standardised, audited sustainability reporting from approximately 50,000 European companies.

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Method

Default Values

CBAM Default Values

Carbon intensities published by the Commission, used when actual supplier data is unavailable: conservative and increased by a rising mark-up.

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Organisation

DGCCRF

French Directorate-General for Competition, Consumer Affairs and Fraud Control

French administration checking environmental claims (greenwashing) and unfair commercial practices.

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Finance

DJSI

Dow Jones Sustainability Index

Global stock market index selecting companies with the strongest sustainability performance.

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Concept

Double Materiality

Double materiality

Key CSRD concept: reporting both on a company’s impact on society/the environment (impact materiality) and on the impact of ESG issues on the company (financial materiality).

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Regulation

DPEF

Non-Financial Performance Declaration

French sustainability reporting derived from the NFRD, being phased out in favour of CSRD.

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Regulation

DPP

Digital Product Passport

European digital product passport that will make environmental and technical data for many products public from 2026-2030.

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Framework

DRIAS

DRIAS: future climates

Météo-France portal providing reference regional climate projections for adaptation in France, now also presented using TRACC warming levels.

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Method

Ecobalyse

Official French tool (ADEME / beta.gouv) for calculating products’ environmental cost, the reference method for textile environmental labelling.

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Framework

EF 3.1

Environmental Footprint 3.1 (reference package)

Reference package for the PEF method, underpinning all PEFCRs published since 2018, whose inventory datasets expired on 31 December 2025 due to contract expiry.

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Organisation

EFRAG

European Financial Reporting Advisory Group

European advisory group developing sustainability reporting standards (ESRS) for CSRD.

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Indicator

Embodied Carbon

Embodied Carbon / Incorporated Carbon

GHG emissions associated with raw material extraction, manufacturing, transport and end of life of a product or building, as opposed to use-phase emissions.

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Regulation

EmpCo

EU Empowering Consumers Directive 2024/825

European Directive of 6 March 2024 strengthening consumer rights against misleading environmental claims and greenwashing.

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Concept

EOR

Enhanced Oil Recovery

Injection of CO₂ into an oil well near the end of its life to extract residual fractions: a major historical use of captured CO₂ in the United States.

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Framework

EPD

Environmental Product Declaration

Environmental product declaration, the international equivalent of French FDES.

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Concept

ESG

Environmental Social Governance

Three-part framework used by investors and rating agencies to assess a company’s non-financial performance.

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Regulation

ESPR

Ecodesign for Sustainable Products Regulation

European Regulation 2024/1781 establishing the framework for eco-design and the Digital Product Passport.

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Regulation

ESR

Effort Sharing Regulation

European regime setting each Member State a national reduction target for sectors outside the carbon market: France must reach -47.5 % in 2030 relative to 2005.

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Framework

ESRS

European Sustainability Reporting Standards

The 12 European sustainability reporting standards underpinning CSRD.

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Concept

ESS

Social and Solidarity Economy

Businesses and organisations (associations, cooperatives, mutual societies, foundations) putting social benefit above profit.

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Regulation

EU-ETS

European Union Emissions Trading System

European carbon market: an emissions allowance system for energy-intensive sectors.

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Regulation

EUDR

EU Deforestation Regulation

EU Regulation 2023/1115 banning the placing on the European market of products linked to deforestation, applicable since 30 December 2025.

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Finance

EVIC

Enterprise Value Including Cash

Total value of a listed company: market capitalisation + total debt + minority interests.

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Framework

Explore2

Explore2 project

National reference project on the impacts of climate change on water resources by 2100, completed in 2024 and led by INRAE and OiEau.

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Regulation

F-Gas

European Fluorinated Gas Regulation

European Regulation EU 2024/573 (March 2024) tightening restrictions on fluorinated greenhouse gases, with an HFC ban timeline through to 2050.

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Framework

FDES

Environmental and Health Declaration Sheet

Standardised LCA for construction products, mandatory for construction actors subject to RE2020.

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Indicator

FE

Emission Factor

Coefficient converting activity data (kWh, km, kg, €) into CO2-equivalent emissions.

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Method

FLAG

Forest, Land and Agriculture

SBTi guidance dedicated to forest, land and agriculture emissions and removals, with specific targets.

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Finance

Fonds Barnier

Major Natural Risk Prevention Fund (FPRNM)

State fund established in 1995 subsidising natural risk prevention, with more than €200 million a year and rates ranging from 25% to 100% depending on the operation.

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Finance

Fonds vert

Fund to accelerate the ecological transition in local territories

State grant scheme for local authorities established in 2023, with €837 million allocated in 2026 and €4.5 billion committed since its launch.

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Regulation

Free Allowances

Free Allowance Allocation (EU ETS)

Emission allowances allocated free to European industries exposed to international competition, progressively removed from 2026 to 2034 as CBAM scales up.

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Framework

Géorisques

Géorisques portal

Public portal of the Ministry for Ecological Transition and BRGM providing 17 databases on natural and technological risks, with mapping services and APIs.

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Organisation

GIEC

Intergovernmental Panel on Climate Change

UN scientific organisation synthesising the state of climate knowledge.

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Energy

GO

Guarantee of Origin

European certificate confirming that a quantity of electricity was generated from renewable sources.

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Energy

GPU

Graphics Processing Unit

Specialised processor running AI models. It consumes a great deal: an H100 card draws around 700 W at full load.

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Regulation

Green Claims

EU Green Claims Directive

Proposed European directive (2023) requiring scientific third-party verification for any explicit environmental claim made by a company.

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Framework

GRI

Global Reporting Initiative

International CSR reporting framework, widely adopted before ESRS arrived.

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Indicator

GWP

Global Warming Potential

Global warming potential of a GHG, expressed relative to CO2 over a given time horizon (usually 100 years).

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Organisation

HCC

French High Council on Climate

Independent body established in 2018 and enshrined in the 2019 Energy and Climate Law, which assesses French public climate action and publishes an annual report and opinions on the SNBC and PNACC.

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Regulation

Heat Decree

Decree No. 2025-482 of 27 May 2025 on Preventing Heat-Related Risks at Work

Labour Code legislation in force since 1 July 2025 requiring every employer to assess heat risk and take preventive measures, indexed to Météo-France warning thresholds.

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Concept

HFC

Hydrofluorocarbons

Family of synthetic fluorinated gases used as refrigerants in air conditioning, refrigeration and heat pumps, with very high warming potentials.

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Concept

ICU

Urban Heat Island

Local temperature increase in dense urban areas, which can reach +2 to +8 °C compared with the surrounding countryside.

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Method

ICV

Life Cycle Inventory

LCA stage collecting and quantifying input flows (resources, energy) and output flows (emissions, waste) of the system studied.

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Framework

IFRS S

IFRS Sustainability Standards

Global sustainability reporting standards (IFRS S1 general, IFRS S2 climate) issued by ISSB.

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Concept

Insetting

Carbon Insetting

Emissions reduction or carbon sequestration within the contributing company’s own value chain (as opposed to external offsetting).

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Framework

ISO 16128

ISO 16128 - Natural Origin Index

International standard for calculating the natural and organic origin index of cosmetic ingredients.

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Finance

ISR

Socially Responsible Investment

Investment approach incorporating ESG criteria alongside traditional financial criteria.

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Organisation

ISSB

International Sustainability Standards Board

Organisation attached to the IFRS Foundation issuing global sustainability reporting standards.

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Indicator

ITR

Implied Temperature Rise

Aggregate indicator of a portfolio’s climate alignment, expressed in °C of warming by 2100.

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Framework

LCZ

Local Climate Zones

Cerema mapping published in May 2025 classifying land into 17 categories to visualise sensitivity to heat: 12,000 municipalities and 44 million inhabitants covered, with open access.

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Method

MACC

Marginal Abatement Cost Curve

Curve ranking a company’s or sector’s decarbonisation levers by increasing cost per tonne of CO₂ avoided.

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Energy

Marginal Mix

Marginal Electricity Mix (Peak)

Emission factor of the last power station called on to meet additional electricity demand, generally highly carbon-intensive (gas, coal) because renewables are already running at full capacity.

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Method

MMV

Monitoring, Measurement and Verification

Mandatory monitoring programme for a geological CO₂ storage site: leak detection, quantification and verification by an independent third party.

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Concept

Net Zero

Net Zero (Zero Net Emissions)

State in which residual GHG emissions are balanced by active CO2 removals from the atmosphere, at the scale of a system.

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Regulation

NFRD

Non-Financial Reporting Directive

European Directive 2014/95 on non-financial reporting, replaced by CSRD from 2024.

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Framework

NZI

Net Zero Initiative

French framework developed by Carbone 4 to align business initiatives with global Net Zero objectives.

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Method

OEF

Organisation Environmental Footprint

The ‘organisation’ counterpart of European PEF: a standardised LCA of an organisation across multiple criteria.

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Concept

Offsetting

Carbon Offsetting

Purchasing credits representing 1 tCO2 avoided or sequestered elsewhere, to ‘neutralise’ your own emissions.

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Regulation

Omnibus

Omnibus Package (CSRD/CS3D Simplification)

European legislative package simplifying sustainability reporting, in force since March 2026: CSRD thresholds raised to 1,000 employees and €450M in turnover.

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Organisation

ONERC

French National Observatory on the Effects of Global Warming

Observatory attached to the Ministry for Ecological Transition publishing 27 climate change indicators in 6 themes and monitoring implementation of the national adaptation plan.

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Organisation

OTI

Independent Third-Party Body

COFRAC-accredited auditor verifying non-financial declarations (DPEF, CSRD).

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Concept

Pathway

Decarbonisation Pathway

Quantified plan for reducing a company’s GHG emissions over 5-30 years, with interim targets.

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Regulation

PCAET

Territorial Climate-Air-Energy Plan

Strategic planning tool for inter-municipal bodies with > 20,000 inhabitants to support their territory’s ecological transition.

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Framework

PCAF

Partnership for Carbon Accounting Financials

Accounting standard for financed emissions (banks, insurers, investors).

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Framework

PCR

Product Category Rules

Product category rules specifying how to carry out an LCA for a family of products.

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Finance

PEA

Equity Savings Plan

French tax wrapper enabling investment in European equities with income tax exemption after 5 years.

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Method

PEF

Product Environmental Footprint

Harmonised European life cycle assessment method, central to environmental labelling and DPP.

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Framework

PEFCR

PEF Category Rules

Sector-specific rules specifying the PEF method for a product family (textiles, batteries, milk, wine, etc.).

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Method

PIF

Precise, Honest, Substantiated

Celsius method for testing an environmental claim before publication against three criteria: Precise, Honest, Substantiated.

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Regulation

PNACC

National Climate Change Adaptation Plan

Interministerial plan organising France’s preparation for warming impacts; its 3rd edition, published on 10 March 2025, contains 52 measures across 5 priorities.

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Energy

PoS

Proof of Stake

Blockchain consensus mechanism based on depositing collateral as a stake (Ethereum, Solana, Cardano).

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Energy

PPA

Power Purchase Agreement

Long-term contract for the direct purchase of renewable electricity between a producer and a consumer.

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Regulation

PPWR

Packaging and Packaging Waste Regulation

European 2025 packaging regulation: recyclability, minimum recycled content, reduction and reuse.

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Indicator

PRG

Global Warming Potential

French equivalent of GWP. A GHG’s ability to warm the atmosphere over 100 years, expressed relative to CO2.

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Concept

PTC

Climate Transition Plan

Formal decarbonisation roadmap aligned with a 1.5°C pathway, required by CSRD (ESRS E1-1) and CSDDD.

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Regulation

RE2020

Environmental Regulation 2020

Thermal regulation for new buildings in France incorporating a complete life cycle assessment.

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Regulation

REP

Extended Producer Responsibility

Principle making producers responsible for the end of life of products they place on the market.

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Concept

RGA

Clay shrink-swell

Ground movement caused by changes in the moisture content of clay soils, cracking detached houses and costing the natural catastrophe insurance scheme around €1 billion a year.

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Concept

RSE

Corporate Social Responsibility

Voluntary approach integrating social and environmental issues into a company’s strategy and operations.

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Organisation

SBTi

Science Based Targets initiative

Initiative validating the consistency of corporate reduction targets with a pathway compatible with 1.5°C.

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Indicator

Scope 1

Direct Emissions

GHG emissions directly produced by the organisation: on-site combustion, fleet vehicles, refrigerant gas leaks.

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Indicator

Scope 3

Upstream and Downstream Indirect Emissions

All other value-chain emissions: purchases, travel, transport, use of sold products and end of life.

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Indicator

Scope 3.1

Purchased Goods and Services

Scope 3 category covering emissions from the production of goods and services purchased by the company.

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Finance

SCPI

Real Estate Investment Company

Collective investment vehicle for rental property (offices, shops, healthcare, logistics).

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Method

SDA

Sectoral Decarbonization Approach

SBTi method for setting sector-specific reduction targets aligned with 1.5°C.

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Energy

SEER

Seasonal Energy Efficiency Ratio

Seasonal performance coefficient of an air conditioner: ratio of cooling energy delivered to electrical energy consumed over a full season.

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Finance

SFDR

Sustainable Finance Disclosure Regulation

European Regulation 2019/2088 requiring financial market participants to disclose the sustainability of their products.

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Method

SME route

Small and Medium Enterprises route (SBTi)

Simplified SBTi route for SMEs with fewer than 250 employees and 10,000 tCO2e in scopes 1+2.

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Regulation

SNBC

National Low-Carbon Strategy

France’s decarbonisation roadmap, approved by decree to achieve carbon neutrality in 2050.

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Concept

Sufficiency

Energy and Material Sufficiency

Reduction of demand (energy, materials, consumption) at source through changes to uses and needs, as opposed to efficiency (doing better with as much).

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Method

TACCT

Territorial Climate Change Adaptation Pathways

Approach published by ADEME since 2019, recognised as the national adaptation plan’s reference methodology, structuring a territory’s assessment and adaptation strategy in 3 stages.

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Framework

TCFD

Task Force on Climate-related Financial Disclosures

Recommendations on reporting climate-related financial risks, incorporated into CSRD.

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Framework

Territoire Engagé

Territoire Engagé Transition Écologique label (ADEME)

ADEME framework with 61 measures in 6 areas scored out of 500 points, including 100 for territorial planning alone, with 5 star levels ranging from 35% to 75% of points.

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Framework

TNFD

Task Force on Nature-related Financial Disclosures

TCFD equivalent for nature and biodiversity issues, finalised in 2023.

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Energy

Token

Token (AI Processing Unit)

Basic unit processed by AI: a word fragment (around 0.75 words). A request’s energy and cost are counted in tokens.

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Regulation

TRACC

Reference Warming Trajectory for Climate Change Adaptation

Official trajectory on which France plans adaptation: +2 °C in 2030, +2.7 °C in 2050 and +4 °C in 2100 in mainland France, written into the Environmental Code on 23 January 2026.

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Method

TranSensus LCA

TranSensus LCA (Horizon Europe project)

European project completed in 2025 establishing a harmonised LCA approach for zero-emission road vehicles, a methodological reference for 2025-2030.

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Regulation

Triman

Triman Logo

Mandatory sorting signage in France on products subject to sorting instructions, accompanied by Info-tri.

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Concept

UF

Functional Unit

In LCA, the reference unit expressing the service provided by the product studied.

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Concept

UTCATF

Land Use, Land-Use Change and Forestry

National inventory sector accounting for soil and forest removals and emissions: net sink of -52 Mt CO2e in France in 2024, around 14 % of other emissions.

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Framework

VSME

Voluntary SME standard

Simplified sustainability reporting standard for unlisted SMEs, on a voluntary basis.

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Indicator

WACI

Weighted Average Carbon Intensity

SFDR regulatory indicator: portfolio carbon intensity weighted by each issuer’s portfolio weight.

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