[IEA Annex 89] Meeting 01: Ways to Implement Net-zero Whole Life Carbon Buildings

The first meeting of IEA Annex 89 occurred on October 19-20, 2023 - Department of the Built Environment at AAU, Copenhagen, Denmark. The project is focusing on the pathways and actions needed by various stakeholders and decision-makers to implement whole lifecycle-based net-zero greenhouse gas (GHG) emissions from buildings in policy and practice. This means explicitly considering both embodied and operational GHG emissions across all stages of the built asset life cycle – also referred to as whole life carbon (WLC) – to achieve the overarching (or ultimate) goal of the Paris Agreement, which is to limit global warming to well below 2°C, and preferably to 1.5°C, above pre-industrial levels by aiming to achieve climate neutrality by 2050 latest.

The project will focus on:

✅  developing guidelines and recommendations on establishing whole-life carbon targets (including carbon budgets) for the building and perspectives and identifying critical carbon reduction pathways and actions;

✅  establishing Paris-goal compatible assessment frameworks and evaluating the different assessment methods to achieve NetZ-WLC buildings at various scales;

✅  mapping and assessing the relevance and effectiveness of a range of tools, aids and instruments available to different stakeholders in their decision-making contexts and objective(s);

✅  understanding the conditions that are conducive to in-practice uptake and more effective implementation of context-based solutions and actions by key stakeholders and

✅  ensuring efficient and effective engagement and knowledge exchange with diverse stakeholder groups and disseminating project outputs that maximize opportunities to 'get it to the ground' from local to global scale.

There is a critical and urgent need to effectively implement science-based targets, assessment methods, and solutions into policy and practice to enable a broad range of stakeholders and key decision-makers across the world to promote and support the delivery of NetZ-WLC buildings at speed and scale. The subtask leaders and co-leaders are:

Subtask 1: Prof Greg Foliente Foliente, Australia.

Subtask 2: Marcella Ruschi Mendes Saade, Austria, and vanessa gomes, Brazil.

Subtask 3: Maria Balouktsi, Denmark.

Subtask 4: Freja Nygaard Rasmussen, Norway, and Alice Moncaster, United Kingdom.

Subtask 5: Alexander Passer, Austria, with Thomas Lützkendorf, Germany, and Rolf Frischknecht, Switzerland.

Belgium is strongly represented in this Annex, including Aurora Luigia Teresa Bertini, Maxime Dasse, Shady Attia Émilie Gobbo, André Stephan, Damien Trigaux, and Buildwise.

🔴 Learn more about the Annex: https://annex89.iea-ebc.org/

The next meeting will take place between April and June in TU-Delft.

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