Just a tip: put your air conditioner on 80 degrees to save money on your electric bill. You don’t have to be cool, just not hot.
Check out a bunch of other smart, green tips on how to use air conditioning best (& most cost-effectively), and otherwise check out ways to save energy in the summer (& prevent those local brownouts).
& Unplug your chargers! That’s a new one I just learned. When you’re not actually charging your iPod / cellphone / PDA, you’re using energy just by leaving the charger plugged in.