Is Renewable Energy A Viable Alternative For Estab

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Most of the energy we use today comes from fossil fuels. Coal, oil, and natural gas are all fossil fuels created several millions of years ago by the decay of plants and animals. These fuels lie buried between layers of earth and rock. While fossil fuels are still being created today by underground heat and pressure, they are being consumed much more rapidly than they are created. Therefore, sometimes in the future we will run out of them. For this reason, fossil fuels are considered as non-renewable meaning that they are not replaced as soon as we use them. Moreover burning fossil fuels leads to pollution and many environmental impacts. Because our world depends so much on energy, we need to use sources of energy that will last forever – renewable energy, generating power from natural resources that are replenished on the earth. As we are theoretically reaching “peak oil”, “peak gas” etc. as well as the occurring of global warming and a number of environmental issues, the call for more “clean”, “sustainable” renewable energy has been increasing dramatically. However, some critics argue that renewable energy such as wind, solar, biomass, alone can not sustain the world in the future. In this essay, I will argue that renewable energy is not a viable way for replacing established energy sources by analyzing the geographic and natural limitations, impacts on ecosystems and the efficiency on cutting greenhouse emissions of renewable energies. The real solution should be reducing energy consumption. The recent trend for most of the developed states in terms of reducing carbon emission and securing energy supply is to focus on renewable energies especially wind and solar powers. True, the world is now facing a double crisis – resource scarcity and climate change. Caused by the entry of new economies into the energy market, reserves of oil and gas are diminishing while

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