A new study by the Utrecht University Centre for Public Procurement (UUCePP) shows a clear association between the use of the CO₂ Performance Ladder in public construction tenders and lower CO₂ emissions at the municipal level. The research — carried out as part of an EU project funded by the…
SKAO published a new Harmonisation Act relating to CO₂ Performance Ladder 4.0. This Harmonisation Act concerns the period within which organisations must be able to submit a plan to address minor non-conformities. This period has been shortened from 12 months to 3 months. The period allowed for actually implementing the corrective measures remains unchanged: this may still take place up to 12 months after the…
Climate-Friendly Procurement in Practice On 2 September 2025, the Swiss Federal Office for the Environment (Bundesamt für Umwelt, BAFU) hosted an online session on climate-friendly public procurement. During the event, the International Institute for Sustainable Development (IISD) and the Collaborating Centre on Sustainable Consumption and Production (CSCP) explained…
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…
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…
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…
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…
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…
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…
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