Black is the New Green


If you're searching the Web - and searching for easy ways to save energy - try using Blackle - a new search engine powered by Google that turns your web browser window mostly black during searches.

Using Blackle saves about 15 watts of power per display, which really adds up.

Blackle was created by Heap Media to remind us all of the need to take small steps in our everyday lives to save energy. Blackle searches are powered by Google Custom Search.

Blackle saves energy because the screen is predominantly black. "Image displayed is primarily a function of the user's colour settings and desktop graphics, as well as the colour and size of open application windows. A given monitor requires more power to display a white (or light) screen than a black (or dark) screen" (Roberson et al, 2002).

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. Since then, there has been skepticism about the significance of the energy savings that can be achieved and the cost in terms of readability of black web pages.

However, not only does using a dark computer screen save energy - it will also remind you of the importance of fighting climate change in other ways throughout your day.

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