According to Clean Air Watch, a Washington-based environmental watchdog, TXU has become public enemy No. 1 in the battle against global warming. While our politicians and TXU are duking it out over the preposterous coal plant plans, we Texas homeowners can consider sending TXU a message of our own. Call Green Mountain and inquire about sustainable energy services and pricing. Last time I checked, through Current Energy, the prices were 7.5 percent lower than TXU for the same amount of energy. You can change your provider online in about 20 seconds. Why are we waiting for oil and gas funded politicians to vote for even dirtier air in our state?