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Databases that aggregate the embodied carbon values from EPD's and other sources such as academic studies, provide the embodied carbon values of many materials in one location, however the number of variables included in calculating the embodied carbon of building materials makes the values in the databases difficult to compare. [14]
Embodied energy is the sum of all the energy required to produce any goods or services, considered as if that energy were incorporated or 'embodied' in the product itself. . The concept can be useful in determining the effectiveness of energy-producing or energy saving devices, or the "real" replacement cost of a building, and, because energy-inputs usually entail greenhouse gas emissions, in ...
Carbon profiling [1] is a mathematical process that calculates how much carbon dioxide is put into the atmosphere per m 2 of space in a building over one year. The analysis has two parts that are added together to produce an overall figure that is termed the 'carbon profile': Operational carbon emissions [2] Embodied carbon emissions [2]
Embodied carbon will be responsible for almost half of total new construction emissions between now and 2050." [ 163 ] GHG emissions which are produced during the mining, processing, manufacturing, transportation and installation of building materials are referred to as the embodied carbon of a material . [ 164 ]
The carbon footprint explained Comparison of the carbon footprint of protein-rich foods [1]. A formal definition of carbon footprint is as follows: "A measure of the total amount of carbon dioxide (CO 2) and methane (CH 4) emissions of a defined population, system or activity, considering all relevant sources, sinks and storage within the spatial and temporal boundary of the population, system ...
Peters and Hertwich [11] completed a MRIO study to calculate emissions embodied in international trade using data from the 2001 Global Trade Analysis Program (GTAP). After manipulation, although their numbers are slightly more conservative (EU 14%; OECD 3%; BRIC 16%; RoW 6%) than Boitier [ 5 ] the same trend is evident - developed countries are ...
Secondary databases can offer significantly different emission values for the same process, activity or input (e.g., the embodied emissions of 1 metric tonne of coking coal). PCRs permit the use of secondary data for emission flows out of the control of the manufacturer creating the EPD (e.g., emissions from the upstream supply chain), and LCA ...
An emission intensity (also carbon intensity or C.I.) is the emission rate of a given pollutant relative to the intensity of a specific activity, or an industrial production process; for example grams of carbon dioxide released per megajoule of energy produced, or the ratio of greenhouse gas emissions produced to gross domestic product (GDP).
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