In case you didn't know -- though if you're a reader, you probably do -- that cell phone charger you have plugged into your wall socket is pulling power even when you're not charging your phone. AT&T figures that enough power is wasted in the U.S. alone to power 24,000 homes for a year. That's why they've gone all eco-savvy on us and announced their new ZERO charger. More » By Consumerist
