As the decarbonisation of electricity productions continues, less and less of the climate impact of a building is coming from module B / usage of building and more attributes to module A / production of building. In Scandinavia, recent reports calculate that as much as 70% of total impact can come from materials now (as of today, not in the future), 25% of usage phase including replacing products (again, material impact) and rest 5% of end of life. This means that working exclusively with energy is having less and less impact on the climate footprint of a building. Energy efficiency is still very important but when talking about climate change then the main focus should be on materials today.
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As the decarbonisation of electricity productions continues, less and less of the climate impact of a building is coming from module B / usage of building and more attributes to module A / production of building. In Scandinavia, recent reports calculate that as much as 70% of total impact can come from materials now (as of today, not in the future), 25% of usage phase including replacing products (again, material impact) and rest 5% of end of life.
This means that working exclusively with energy is having less and less impact on the climate footprint of a building. Energy efficiency is still very important but when talking about climate change then the main focus should be on materials today.