In January 2007, a blog post titled 'Black Google Would Save 750 Megawatt-hours a Year' proposed the theory that a black version of the Google search engine would save a fair bit of energy due to the popularity of the search engine ("a given monitor requires more power to display a white (or light) screen than a black (or dark) screen." Roberson et al, 2002). Enter Blackle.
Created by Heap Media, Blackle searches are powered by Google Custom Search. Whether or not the energy savings are significant, they believe there is value in the concept because even if the energy savings are small, they all add up. Plus, seeing Blackle every time we load our web browser should remind us all of the need to take small steps in our everyday lives to save energy.
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