Are you bored with keeping tabs of your carbon emissions? NEC and BIGLOBE have developed a system that not only performs this odious task, but makes it "fun" to do so -- if you're generous as to what constitutes "fun." A WiFi-enabled device is attached to your circuit breaker, where it keeps track of your power consumption and later transmits it to your home computer via ZigBee. The data is then sent to a website, where you can use it to play games against other green households in such thrilling arenas as Carbon Diet (users score "eco-points"
