scholarly journals Carbon Dioxide Emissions from Operation of Czech Building Stock and Potential for Their Reduction

Author(s):  
A Lupíšek
Energies ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2455
Author(s):  
Antonín Lupíšek ◽  
Tomáš Trubačík ◽  
Petr Holub

One of the major anthropogenic sources of greenhouse gases is the operation of building stock. Improving its energy efficiency has the potential to significantly contribute to achieving climate change mitigation targets. The purpose of this study was to roughly estimate such potential for the operation of the national building stock of Czechia to steer the national debate on the development of related national plans. The estimation is based on a simplified energy model of the Czech building stock that consists of sub-models of residential and nonresidential building stocks, for which their future energy consumptions, shares of energy carriers and sources, and emission factors were modeled in four scenarios. Uncertainties from the approximation of the emission factors were investigated in a sensitivity analysis. The results showed that the operation of the Czech building stock in 2016 totaled 36.9 Mt CO2, which represented 34.6% of the total national carbon dioxide emissions. The four building stock scenarios could produce reductions in the carbon dioxide emissions of between 28% and 93% by 2050, when also considering on-side production from photovoltaics. The implementation of the most ambitious scenario would represent a drop in national CO2 yearly emissions by 43.2% by 2050 (compared to 2016).


Author(s):  
Ilija Gubic ◽  
Dheeraj Arrabothu ◽  
John Bugirimfura ◽  
Laurel Hasabamagara ◽  
Irenee Isingizwe ◽  
...  

Development countries in Africa will see 75% increase of its current building stock until 2060 due to the economic development, rapid urbanization and population growth. Rwanda?s Third National Communication under the United Nations Framework Convention on Climate Change estimates that the carbon dioxide emissions from buildings will increase by 574% by 2050 in the business as usual scenario. The aim of this paper puts sustainable architecture and green buildings in a context of rapidly urbanizing Rwanda, showing five recently constructed brick buildings that exploit the culture while meeting the sustainability demands of the 21st century. Global sustainability agendas are advocating for the use of brick for its durability, quality, with environmental, economic, and social benefits for construction sector. This paper provides insights on the policies, such as the Green Building Minimum Compliance System, advocating for the use of brick as a sustainable construction material. Despite the rapid urbanization in Rwanda, the existing sustainable construction practices help in reducing carbon dioxide emissions, while this paper also documents results on social and economic perspectives for the community from construction sector.


2009 ◽  
Vol 33 (1) ◽  
pp. 89-104 ◽  
Author(s):  
A I Brown ◽  
G P Hammond ◽  
C I Jones ◽  
F J Rogers

Historic trends and future projections of energy use and carbon dioxide emissions associated with the United Kingdom building stock are analysed for the period 1970-2050. Energy use in housing is found to rise at a slightly slower rate than the increase in household numbers, which totalled some 25.5 million in 2000. It appears feasible to reduce carbon dioxide (CO2) emissions in the UK domestic building stock by more than 65% by 2050. But this would require a significant take-up of energy saving measures and the adoption of various low or zero carbon (LZC) energy technologies. Non-domestic buildings consisted of some 1.98 million premises in 2000. Anticipated changes in the UK Building Regulations will lead to reductions in energy use and carbon emissions of up to 17% and 12% respectively for 2010 standard buildings. Improvements in the non-domestic building stock and industrial processing could lead to a reduction of nearly 59% in CO2 emissions, via the adoption of LZC energy technologies. Thus, the potential for ‘greening' the UK building stock – making it environmentally benign - is large, but the measures needed to achieve this would present a significant challenge to the UK government, domestic householders, and industry in the broadest sense.


2007 ◽  
Vol 11 (2) ◽  
pp. 167-176 ◽  
Author(s):  
Jess Hrivnak

The term ‘sustainability’ is often used as a woolly term for everything that is good and desirable. Besides, ‘sustainability’ is a subjective area, which can be difficult to quantify. Any construction project has a wide range of environmental impacts, each of which may have been measured in a different way. Energy may have been measured in terms of carbon dioxide emissions, whereas wood or mineral extraction is generally measured volumetrically, making comparisons between environmental impacts difficult to determine. Various methodologies seek to standardise impacts for comparative purposes and the guiding principle for any environmental assessment is a comparison to the existing building stock, and a result is invariably in terms of a building's relative sustainability. However, to some it is not a matter of being ‘more’ or ‘less’ sustainable. You either are or you are not, therefore relative sustainability is not a valid concept. The discussion of sustainability in this paper is not a debate on the semantics of the term, but ultimately the purist's view does lead to the question whether there can ever be such a thing as a sustainable building and indeed what the role of architecture in the context of sustainability is.


Sign in / Sign up

Export Citation Format

Share Document