I received this from my cousin today and I think it's great:
Google is the second Brain to many of us. We use it frequently. It uses white screen which consumes high power.
Read the following......... If Google had a black screen, taking in account the huge number of page views, according to calculations, 750 mega watts/hour per year would be saved..!!!!!!
In response , Google created a black version of its search engine, called Blackle, with the exact same functions as the white version, but obviously with lower energy consumption:
Help spread the word. Please use www.blackle.com
How can you help?
We encourage you to set Blackle as your home page. This way every time you load your Internet browser you will save a little bit of energy. Remember every bit counts! You will also be reminded about the need to save energy each time you see the Blackle page load.
Help us spread the word about Blackle by telling your friends and family to set it as their home page. If you have a blog then give us a mention. Or put the following text in your email signature: "Blackle.com - Saving energy one search at a time".