BillyS - 11:47 am on Jul 24, 2010 (gmt 0)
OUCH! Until Cap and Trade is codified I won't be that concerned, but yes, there are costs as regards doing business.
I'm not sure what the trading of emissions credits has to do with wasting electricity. Personally, I don't need the incentive of being able to trade emissions to do the right thing by the environment.
The OP's point is a good one, as energy prices continue to increase (and they will), data centers need to look at individual components in their machines.