We all need to support teh use of Open Source thin-client solutions in an educational context. Its worth stating, again, what is really the blindingly obvious - thin-client work stations use one twentieth of the power of a typical PC (10-20 watts versus 200-400 watts), require no maintenance or technical per-machine support.
linux
The future is green, open source and Nintendo
The future is green, open source and Nintendo
Its worth stating, again, what is really the blindingly obvious - thin-client work stations use one-twentieth of the power of a typical PC (10-20 watts versus 200-400 watts), require no maintenance or technical per-machine support and Open Source software is free of licence costs.

Tiny PC uses just 8 watts of power, can be solar powered
This mini PC uses just 8 watts of power which is a quarter of the power used by the average laptop. You can also add on a solar panel to power the device and a 10.4 inch LCD screen which uses just 10 watts of power.
Green operating system
There is a "green" operating system for your computer. Its a linux version called gOS. The tagline for gOS is “An alternative OS for the masses“.