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To Zero Carbon and Beyond
Pages 12 (3012 words)
1. Introduction: Global warming due to the increased concentration of greenhouse gases in the atmosphere because of fossil fuel (coal, gas and oil) burning is a scientifically proved phenomenon. Carbon dioxide (CO2) is a greenhouse gas mainly comes from fossil fuel burning.
European Commission intends to reduce its greenhouse gas emission by at least 20 % by 2020 (Integrated energy policy for EU sets targets on markets, emissions and efficiency, 2007). In the UK buildings accounts for 45-50% of delivered energy use and it accounts for about 50% of CO2 emission. UK's contribution to global total CO2 is 3%. Almost 30% of building related CO2 in the UK comes from service sector and 44% of it goes to space heating (Watts and Thomas, 1999). In November 2006, Chancellor Gordon Brown has announced that by 2016 every new home will be a zero carbon home (Towards zero carbon future, 2007). A zero carbon development is one that achieves zero net carbon emissions from energy use on site, on an annual basis. Excluded in this definition are embodied energy in construction and demolition and transport energy (Building A Greener Future: Towards Zero Carbon Development, 2007). Literary the meaning of zero carbon home should be a home which emits zero carbon throughout its life time, (i.e. construction, operation, maintenance and demolition). It is very important in the UK's context to design energy efficient buildings, which can utilize maximum heat and light from the sun. This paper will describe the design aspects of an office building, which will emit zero carbon throughout its lifetime (operating). ...
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