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Estimating Energy Use and Greenhouse Gas Emissions of Internet Advertising

IMC², 14/02/2008


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Resource information:
Resource IDtaylorkoomey2008
Resource titleEstimating Energy Use and Greenhouse Gas Emissions of Internet Advertising
Author(s)Cody Taylor, Jonathan Koomey
Publication/ sourceIMC²
Date published14/02/2008
Summary text/ abstractWhile others have attempted to quantify the energy used in the United States by delivery of information services via the internet, these analyses have focused principally on end-use equipment (PCs and other devices that users interact with directly) or on servers. In this paper we attempt to calculate an average energy use per gigabyte of data transferred over the internet by quantifying the network energy and data traffic. This estimate includes energy used by network equipment up to either A) the user's terminal in business settings or B) the edge of the user's home. We take a similar approach here to the analysis in Koomey (2004), which explores network energy and data flows associated with wireless personal digital assistants. This paper calculates the best estimate of network electricity intensity possible using currently available data. It first illustrates the data and methodology used, then presents the results and discusses implications. Finally it describes conclusions and suggests topics for further research.
Library categoriesClimate Change, Energy, Neo-Luddism, Simplicity, Technology
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file iconEstimating Energy Use and Greenhouse Gas Emissions of Internet Advertising [67.2 kilobytes]


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