turn off and save the world - a genuine request

Every one knows about FUJITSU and SIEMENS.
Now fujitsu and siemens have formed a partnership in UK for the better development of computer industry.
They have found out that keeping computer ON when it is not in use, waste a lot amount of energy.
The search fount out that around 30 percent of people doesnot turn OFF their PCs before leaving the office and about 217 million dollars are wasted every year in the UK alone for powering such PCs.
The solution is to turn it OFF or leave it in HIBERNATION mode.
STAND BY mode doesnot solve any purpose.
So now its upto us, how we can save the world.