The dirty parts of the computing world (Nathan Ensmenger, Bulletin of the Atomic Scientists, Apr. 11, 2016)
Today we review as assessment of the degree to which computers and computer networks contribute to or pollute with energy use, water consumption, mining and e-waste. In all four categories computer technology plays a significant role with 2 of global electricity use, and 25 tons of e-waste from Western countries alone. A typical desktop computer uses 30% more energy than the standard refrigerator. The computational output from Bitcoin is 256 times the combined capacity of the world’s 500 top supercomputers. In many countries, energy is produced from fuels such as coal and natural gas which produce carbon emissions. Clearly computers should be part of the accounting of the world’s energy, waste and water tallies.
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