Hur stort får vi bo? : Klimatpåverkan per person i Sverige

Detta är en M1-uppsats från Högskolan i Jönköping/JTH, Byggnadsteknik och belysningsvetenskap; Högskolan i Jönköping/JTH, Byggnadsteknik och belysningsvetenskap

Sammanfattning: Purpose: The world is supposed to aim for a maximal global warming of 1,5 degrees Celsius which means an ecological footprint of 1,3-ton CO2e/person, year. How much does a sustainable living situation affect the living area per person? With the help of a typical Swedish house and a lifecycle analysis the living area is put in relation to the 1,5-degree aim. The purpose of this report is to investigate how the fulfilling of the 1,5-degree aim will affect the living area per person.    Method: The research approach in the report is quantitative were a meta study and a case study compose the research strategy. The data collecting methods are a literature study and a document analysis. Lastly the report uses calculations and lifecycle analysis for analyzing and compiling the results.  Findings: The goal value for the facility sector should come down to 0.3217ton CO2e/person, year. The typical-house uses 0,6637 ton CO2e/person, year. The results show an unsustainable situation from today’s living situation. It would take between eight to twelve people in the typical house to reach the goal value for the facility sector.   Conclusion and recommendations:  

  • Individuals cannot understand their own effect of their living situation when it is measured in CO2e/square meter. Lifecycle analysis, energy-declarations and other things relevant for the living situation should be measured per person who uses the space to give perspective on the climate impact.  
  • A tangible goal value for a sector is extremely hard to define and mostly up to the contemplators’ value and logic. The breakdown of the sectors needs to become clearer and more consequent for a better possibility to compare. 
  • We got knowledge from Birkved, Brejnrod, Kalbar och Petersens (2017) report of how both the construction and consumption stages needs to change and how that isn’t nearly enough. Clearer instruments towards electricity from solar-, wind- and hydro power for real estate owners in all sizes is a recommendation.  
  • It is clear how both individuals and companies need to open their eyes for what it is going to take and how far it is to reach a sustainable situation. Which means that politics need to take a much harder grip on the situation. Such as the demand on the environment declaration should have a maximum value.   Limitations: The lifecycle analysis has missing parts of the transport stage and the entire production stage.   PRINCE’s version of how to divide the sectors is from 2014 but uses numbers from 2016 over Sweden’s total CO2e emissions.   The facility sector contains more categories than what is taken into account in the lifecycle analysis 

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