If you really want to save energy, bin your computer, printer, scanner, router & any other gadget that we all think is 'must have', knock on your neighbours door introduce yourself and start a good natter.
On second thought's I would hate to find out my neighbour is that silly devil I've been calling over the web for the past year, perhaps we should just follow the example of the ostrich and bury our heads in the sand until everything goes away.