IT goes green
As the climate debate heats up IT finds itself part of the problem … and part of the solution. The inconvenient truth about IT can be found in a simple equation: at the heart of every computer is a machine that sucks in power, and creates information plus heat. The more IT there is in the world, the more power is consumed and heat expelled. It’s a basic law of physics.
http://www.smh.com.au/articles/2007/02/12/1171128897451.html