Renewable energy like wind, water and sun is clean and can be renewed, as the name suggests. So the more we use it the better and better for our environments, because other energy sources like coal and oil produce a lot of pollution in addition to not being renewable, and still others, like nuclear power, carry a high risk. You can catch rainwater, utilise wind through windmills and use solar energy for your lights and more in your house and garden.

Chord Shapes:
(Click here to watch the chord shapes videos.)