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An introduction to computers and computer systems
An introduction to computers and computer systems

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A line from a table, where “Amazon.com web services” is shown to have a rating of C, followed by icons representing the source of its energy as follows green energy (17%), coal energy (30%), natural gas energy (24%) and nuclear energy (26%).
Figure 2 The proportion of different energy sources used by Amazon Web Services.

 2.1 Carbon emissions