The M4/N4 pavement renewal in Ireland shows what happens when a procuring authority uses the CO₂ Performance Ladder consistently: measurable carbon savings, supply-chain collaboration, and material innovation. When the first Ladder project in Ireland delivered a 21% CO₂ reduction in 2024, Transport Infrastructure Ireland (TII) decided to scale up.
Organisations across Europe face growing pressure to demonstrate credible climate action – from regulators, clients and investors alike. CO₂ Performance Ladder 4.0 gives that ambition a clear structure and an internationally recognized way to demonstrate ambition, and results. Version 4.0 builds on more than fifteen years of experience. The Ladder…
As the first of the major Dutch municipalities, The Hague has been certified on version 4.0 of the CO₂ Performance Ladder, at Step 1. Achieving the certificate was no straightforward task. There were questions about whether the CO₂ footprint was correct, and identifying key persons also proved quite an undertaking.
Your tapwater has been purified with it. So has the sugar in your tea. The petrol fumes in your car are captured by it. Activated carbon is one of the most widely used purification materials in the world, and NORIT has been making it for over a hundred years. For a company that contributes to cleaner water and…
Improving energy efficiency is no longer optional. For many organisations, it is a strategic priority driven by cost control, regulatory requirements and the need to reduce emissions. This is especially relevant for contractors and suppliers working with public or private clients who increasingly require structured carbon management as part of…
The CO₂ Performance Ladder does more than just reduce carbon emissions. New research from the Utrecht University Centre for Public Procurement (UUCePP) shows that its use in public procurement is also linked to improved technological innovation among companies. The study – carried out as part of an EU project funded…
Barneveld has become one of the first municipalities certified at Step 1 of the CO2 Performance Ladder version 4.0. The local authority in Gelderland is strongly committed to reducing and greening its energy consumption, including through the procurement of locally generated energy. By establishing and supporting sustainable energy initiatives, Barneveld aims not only to reduce CO2 emissions, but also to stimulate the local economy…
The CO₂ Performance Ladder is currently being implemented in seven countries. To support effective implementation, SKAO collaborates closely with local partners, who lead its introduction and dissemination at the national level. In Portugal, a new training programme is helping contracting authorities strengthen their capacity for Green Public Procurement (GPP). Developed by SKAO’s Portuguese…
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…
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