In some areas of the world people can sign up for wind and geothermal energy from their power supplier. This is usually a little more money, but it is green energy that you are buying and do not have to invest in the machinery to make it. This helps relive the stress for fossil fuels by your energy company.
This device is not defying any scientific laws! The Law of Conservation of Energy is referring to an ISOLATED system, read here …
A great way to garden green and efficiently use green energy is to xeriscape. This means plant native plants in your yard so that there is less maintenance and energy used on it. You will save by not using a lawn mower and you will not have to use energy on your sprinklers to water natural plants as often.
If you are not in a room, do not keep the lights on. Shutting off your lights when you leave a room is a simple act, but it will surprise you by the amount of energy it saves. You also have the added benefit of saving money on your power bill.