In this highly developed technological age, we are deeply depending on fossil fuels. Fossil fuels includes serious problems-unsustainability and causing global warming. Thus I believe that new energy sources should replace fossil fuels.



Although, oil is main energy sources, it discharge harmful particles-CO2. This is causing global warming. Global warming leads to other serious problems-changing ecosystems. In terms of environment, we must search alternative means for producing energy unequivocally.



Also.,oil has an another shortcome. It is the shortage of oil being underground. Briefly, we will run out of oil soon. There are no reasonable oppotunities to seek for new oil. Therfore, we have to change the way to yield energy by seeking new sources.



To achieve this goal, the government role is essential. Through the active support for initiating programs of new energy source, we can transfer our life to life with alternative energy sorce. This has no concern for unsustainability and environmentaly- unfriendliness.



In conclusion, we have no choice to initiate the programs for new way of energy source. To deter devastating the earth, we ,as a culprit of this problem, combat ourselves. (186words)