This idea has come up a while ago and has been shot down. Research suggests that it would not reduce energy consumption. Here is Google's take on it: <a href="http://googleblog.blogspot.com/2007/08/is-black-new-green.html" rel="nofollow">http://googleblog.blogspot.com/2007/08/is-black-new-green.ht...</a><p>If you feel strongly about it you can always use: <a href="http://www.blackle.com/" rel="nofollow">http://www.blackle.com/</a>