3. Sustainable An abundant and renewable energy source is also sustainable. Sustainable energy sources meet the needs of the present without compromising the ability of future generations to meet their needs. In other words, solar energy is sustainable because there is no way we can over-consume.

The great thing about solar energy is that it can be used for a many different things. Just within your home you can use solar power to run your lighting, heating, stove, washer and much more. You can even run a solar furnace off of solar energy. Here's how a solar furnace works...