This free course was written by David King.
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Introduction figure: krisanapong detraphiphat; GettyImages
Section 2 figure: MirageC; GettyImages
Figure 1: Taken from: https://green.googleblog.com/2013/08/the-latest-on-our-carbon-footprint.html
Figure 2: ‘Clicking Clean: A Guide to Building the Green Internet’ (May 2015) Greenpeace Inc.
Section 2.2 figure: fizkes; Shutterstock.com
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