Over two or three decades many countries only rely on non-renewable such as coal, and oil. As a result, we experience lots of changes in the environment like an increase in pollution, carbon waste and other harmful gases. But nowadays, human beings are being encouraged to use renewable sources of energy like water, and solar energy to prevent ozone layer depletion and surroundings from harmful substances. In this essay, I will explore the pros and cons of the idea and try to draw some conclusions.