The CO₂ Performance Ladder encourages the use of renewable fuels. Biogas and green gas are examples of such fuels. In this article, we explain what biogas and green gas are, the differences between them, and how organisations should manage them as part of certification under the CO₂ Performance Ladder. How is biogas produced? Biogas is produced through the…
Each January, SKAO publishes the new Measure List. This is an overview of energy- and CO₂-saving actions that organisations can implement as part of their certification for the CO₂ Performance Ladder. This year’s list has been released as usual. What’s new, however, is the completely redesigned application in which the Measure List is now…
The drawing board can be the most influential place to drive sustainability in construction, as Arcadis demonstrates. With ambitious sustainability goals, the company became the first engineering consultancy to be certified at step 3 of version 4.0 of the CO₂ Performance Ladder at the end of 2025. Nevertheless, the journey towards zero CO₂ emissions within its own organisation and across the value…
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…
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