Bookmarked:
Frugal computing 
wimvanderbauwhede.github.io
wimvanderbauwhede.github.io 
Highlighting how even radical reductions in emissions in other fields will be nullified if the emissions from computing keep rising at the current pace, Wim Vanderbauwhede makes the case for “frugal computing”:
As a society we need to start treating computational resources as finite and precious, to be utilised only when necessary, and as effectively as possible. We need frugal computing: achieving the same results for less energy.
Essentially a call against planned obsolescence, wasteful computing processes and short-term thinking, I can very much get behind this. And this is not just an engineering challenge – it’s equally on the agenda for policy-makers and designers.