So, you've picked all the low-hanging eco-fruit. You've changed out your light bulbs and done a variety of home energy saving retrofits. You've put in tap aerators and shortened your showers. You walk and ride your bike instead of drive as much as you can. You've even started using the clothesline in your laundry room to cut your dryer use by two-thirds...now what? Go eco-shopping to celebrate. Here are thre great products that you can use to "pitch in."