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Alternative energy sources that use the natural power of the wind, waves and sun are too expensive and complicated to replace the coal, oil and gas that we use to power our cities and transport to what extent do you agree or disagree with this opinion? Because of limited fossil fuels energy, it is was logical that states people turned to use other sources of energy such as solar, wind and waves. It either takes more money to equip facilitate our cars or even use it these types of energy in transport systems, but we should care about its benefit. Although producing power from green sources is expensive, it would be economical in long term. To put it in perspective, we have needed extra amounts of energy in a sustainable development; it means that huge industries, a large number of people and many cars that are have produced each year required energy. Not only do they need much energy, but it has to be clean energy.supplementary, they need clean. Moreover, these kinds of green energies have helped us to have a clean environment and it leads to improvement of the environment. If the government adopts/takes these methods to producet energy and power, it will provide economic growth for society. In contrast, we have more difficulties producing to produce energy from natural sources. For example, we should have located wind turbines in a vast and flat areas where no mountains exist near them. Furthermore, they never placed where any airports beside them so that because of airplanes could have safe takeoff and landing. All of the facilities or finding locations need extravagant financing and extensive or even time-consuming long duration studies. Besides, fossil energies belong to a small part of the world, especially Middle East and it was limited and not forever. Nowadays the government has known that they should find other sources of energy to reduce their expenses and even reached the higher productivity. However, it seems costly.looks manifold.