I've been doing some work estimating the carbon footprint of running servers with the aim to offset our products. There are obviously two main parts to this: the emissions caused by manufacturing, supplying (and, at the end of its life, disposing of) the hardware, and those caused by actually running the hardware. The former is a one-off cost each time you buy a new server, whereas the latter is the ongoing cost (e.g. electricity for powering the server, the air conditioning to keep it co...
