From the inbox:
The biggest energy and environmental impact of using Google and other internet services may not be where you think it is. The rapid spread of large data centers that power the internet is responsible for a growing energy use and share of carbon emissions. It is tempting to jump to the conclusion that the internet and all its services stand in the way of energy and environmental sustainability. Not necessarily so!
Thanks Natural Resources Defense Council ("Please note: The word 'National' does not appear in Natural Resources Defense Council")! I now know something I didn't give a fig about!