Permacomputing Wiki
"Don't do things that harm the biosphere" and "maximize the lifespans of hardware components" seem to be in conflict with each other.Post 2008, CPU typical use efficiency per Watt has doubled every 1.5 years [1].  This means that your decade old machine is probably burning a lot of coal and dumping heavy metals into the atmosphere.  Doesn't sound too green to me.[1] https://www.koomey.com/post/153838038643