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ETS 2
  • Blog
27 November 2025

ETS 2 will lead to higher energy costs for businesses 

The European Union’s (EU) climate regulations will be further tightened over the coming years. With the introduction of the EU Emissons Trading System 2 (ETS2), emissions trading will be extended to sectors that are not covered by the existing ETS1. This will directly affect organisations that…

Key persons
  • Blog
25 November 2025

How to appoint key employees within your organisation 

Appointing key employees plays a crucial role in increasing CO2 awareness within your organisation. For the new version of the CO2 Performance Ladder (version 4.0), you are required to appoint ‘key persons’ within the organisation starting from step 1. The role of key persons varies depending on the Step of…

Rebel Group
  • Practical story
20 November 2025

How consultancy firm Rebel strives for maximum impact using the CO₂ Performance Ladder 

A mission to make an impact with every project requires high ambitions for CO2 reduction. It’s no coincidence that Rebel Group is one of the first organisations to achieve certification on Step 3 of version 4.0 of the CO2 Performance Ladder. However, the consultancy also faces dilemmas. For example, how…

Podcast buying into the future
  • Blog
04 November 2025

Making an impact with the CO₂ Performance Ladder in Europe

How sustainable procurement drives change across borders The European Commission’s podcast “Making an Impact with the CO₂ Performance Ladder in Europe: How It Works and Why It Matters” explores how this Dutch-born instrument is transforming procurement practices across Europe. Experts from France and the Netherlands share how the Ladder helps…

Projectcase Aa and Maas
  • Projectcases
28 October 2025

Wildlife corridor Bakel

How the Ladder stimulates innovation and collaboration  In tenders, the Aa and Maas water authority regularly uses the CO2 Performance Ladder as an award criterion. This was also the case for a project to create an ecological connection zone in the east of the Dutch province North Brabant. The…

ISO20400 vs co2pl
  • Blog
02 October 2025

ISO 20400:2017 and the CO₂ Performance Ladder

A Holistic Approach to Sustainable Procurement  As sustainability becomes a core part of business strategy, organisations are turning to recognised frameworks to embed responsible practices into their operations. Two such examples – ISO 20400:2017 and the CO₂ Performance Ladder (the Ladder) – offer distinct but complementary approaches for organisations seeking…

Applying the CO2 Performance Ladder 4.0 Award Criterion in four steps
  • Blog
24 September 2025

Applying the CO₂ Performance Ladder 4.0 Award Criterion in four Steps

The CO₂ Performance Ladder 4.0 Procurement Guide award criterion helps you apply the CO₂ Performance Ladder in your procurement procedures. To make applying the CO₂ Performance Ladder even easier, the Guide includes a detailed step-by-step plan. This article provides an overview of the four Steps you can take to use…

Colas
  • News
22 September 2025

Colas achieves Ireland’s first company-wide CO₂ Performance Ladder certificate

From pilot project to full certification In 2024 the first Irish pilot project with the CO₂ Performance Ladder was completed: Jons Civil Engineering successfully delivered a motorway resurfacing project with an impressive 21% CO₂ reduction. That milestone demonstrated that the Ladder, widely used in the Netherlands and Belgium, also…

DuraVermeer circular construction
  • Practical story
15 September 2025

Working circularly with hubs and a materials marketplace

An increasing number of organisations certified on the CO₂ Performance Ladder are embracing circularity. One of them is Dura Vermeer, one of the largest construction companies in the Netherlands. Circularity is one of the key strategies for achieving their CO₂ reduction targets: 50% reduction by 2030 and 90% by 2050,…

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