So, now you’re wondering why your phone’s battery doesn’t die after ten minutes’ use – the answer is that most of the energy use caused by your online activity is not happening in your phone itself, it’s all the other technology that’s busy working to feed data to you. Ericsson estimated in 2015 that each gigabyte (GB) of data took 2 kWh of electricity to transport over the mobile network – a lot more than that used in your phone, or even than that used in the data centres run by Facebook or Google.
2016 Eurostar Ashden Award for Sustainable Travel
Bridges to Prosperity
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