renewable energy!

Renewable energy is important, because it not pollutes and takes advantage of the options because of the nature, and without harming the environment eg wind, solar, and among others.
the Non-renewable energy, for example, oil or coal, there will come a time will run out and be very expensive and difficult to obtain another type of energy.
This energy helps us to develop the country for the country's economic development, industry, mining, development of new cities, etc.. So for the country's development is sustainable and protecting the environment requires the development of new policies for exploitation of renewable energy non-polluting.