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COP24 - KATOWICE#1.5tosurviveThe role of buildings towards net zero carbon

Alexander Passer, Martin Röck, Guillaume Habert, Thomas Lützkendorf and Rolf Frischknecht @COP24

06.12.2019

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Sustainable Construction and GHG concentration

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Alexander Passer, Martin Röck, Guillaume Habert, Thomas Lützkendorf and Rolf Frischknecht @COP24 06.12.2019 2

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Construction industry and building operation represent 40% of global CO2 emissions.

• Potential trade-offs in operational & embodied carbon!

Relevance of Construction Industry

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• Efficiency gains are not sufficient to compensate the increase in total energy consumption!

Alexander Passer, Martin Röck, Guillaume Habert, Thomas Lützkendorf and Rolf Frischknecht @COP24

Global Primary Energy of Buildings (2010-2016)

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• Decarbonizing global economy by 2040!

• Building‘s operation and construction

IPCC 1.5°C Special Report

Alexander Passer, Martin Röck, Guillaume Habert, Thomas Lützkendorf and Rolf Frischknecht @COP24

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|Alexander Passer, Martin Röck, Guillaume Habert, Thomas Lützkendorf and Rolf Frischknecht @COP24

Life Cycle of Construction Products

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Achieving Our Goals – Net-Zero!

Alexander Passer, Martin Röck, Guillaume Habert, Thomas Lützkendorf and Rolf Frischknecht @COP24

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Environmental impacts caused by buildings

IEA EBC Annex 72 - Environmental impacts caused by buildings

Alexander Passer, Martin Röck, Guillaume Habert, Thomas Lützkendorf and Rolf Frischknecht @COP24

Objectives of IEA EBC Annex 72:

- common methodology guidelines

- methods for the development of specific environmental benchmarks for different types of buildings

- guidelines how to use building design and planning tools (such as BIM and others)

- case studies for deriving empirical benchmarks

- guidelines to establish national/regional databases and share national experiences

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Global survey on assessment of environmental performance of buildings

• Topic

- Needs of designers and engineers regarding environmental assessment of buildings

• Outcome

- contribution to future standards and regulations as well as construction industry policies concerning environmental performance of buildings

- guidance for future research activities

IEA EBC Annex 72 – Global survey

Alexander Passer, Martin Röck, Guillaume Habert, Thomas Lützkendorf and Rolf Frischknecht @COP24

Survey ongoing in 20 countries worldwide- Contribute now!

Austria: http://bit.ly/A72-ATEN (general): http://bit.ly/A72-ENYour country: http://annex72.iea-ebc.org/news

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• Buildings have a very long lifespan. New Buildings should therefore already fullfill NOW the climate targets for 2050 to avoid lock-in effects!

• Buildings refurbishment rate needs to be increased.

• Due to energy efficiency gains Embodied Energy and Embodied GHG-emissions become more and more important!

• A cross sectoral, systemic approach is needed to track all building related emissions.

• The whole supply chain (construction product manufacturers, procurers, designers, users, FM...) need to support this Transition Towards a Net Zero Carbon Built Environment!

Key messages for the built environment!

Alexander Passer, Martin Röck, Guillaume Habert, Thomas Lützkendorf and Rolf Frischknecht @COP24 06.12.2019 10

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Transition Towards a Net Zero Carbon Built Environment

Sustainable Built Environment D-A-CH Conference 2019

Alexander Passer, Martin Röck, Guillaume Habert, Thomas Lützkendorf and Rolf Frischknecht @COP24 06.12.2019 11

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Presentation: Alexander PasserConcept: Alexander Passer, Martin Röck, Guillaume Habert, Thomas Lützkendorfand Rolf FrischknechtSupported by: