Earth's Energy Sources and Renewable Energy Pros and Cons

It is very informatable, because we know that energy souce dominated in this earth. Especially , for earth's energy , such us wind, water, and solar.A s we know, earth is'nt in the good condition so we must reduce all energy source that contribute to global warming. In this course, We know that what this energy come from, how to produce it, also the negatif and positive effect of use all the renewable energy. However reneweable energy is not the only solutin, since the produce of green energy still release C02. On the other hand, there is a research to convert CO2 gas become an energy.