If you want to read about the nitty-gritty details of processing power optimization at both the micro (I guess nano might be more accurate) and macro levels, check out the ArsTechnica article…
Power Plays: How power consumption will shape the future of computing

The BBC News reports that…
Gadgets ‘threaten energy savings’
They discuss the findings of a report that gadgets will account for 45% of electricity used by UK households  by 2020. I’lll guess that the US figures are similar. Flat panel (LCD, plasma, etc.) TVs appears to be the worst of the offenders.
So, what’s the effect of […]

OrganicPicks.com has an interesting article declaring…
10 THINGS YOU NEED TO KNOW BEFORE BUYING A SOLAR ELECTRIC SYSTEM
It seems very specific to PG&E customers. But, I’ll guess it applies to most people outside of that specific grid.