The Modlet, for example, plugs into your outlet and automatically shuts off the power based on your scheduled needs. It can tell when appliances are and are not is use saving you tons of energy, and then sends the power consumption use to your computer, which can result in saving a few bucks on your next electric bill.
Other new technologies include the EcoNavi appliances by Panasonic. These appliances use "intelligent sensors" to optimize the appliances' performances. The EcoNavi air conditioner, for example, monitors where everyone is located and adjusts its performance to optimize cooling the room.
And then there are a few products out there that aren't so technical, but are equally convenient. Eco Bamboo Pet Wipes are great for when Fido doesn't quite need a bath, but his paws need to be cleaned before he comes back inside. Or the idea of giving your cat a bath, is simply out of the question. These all natural wipes help eliminate dirt and odors with a simple swipe.