Understanding deep geothermal energy
Understanding deep geothermal energy

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Understanding deep geothermal energy

Understanding deep geothermal energy

Introduction

Energy from sources other than fossil and nuclear fuels is to a large extent free of the concerns about environmental effects and renewability that characterise those two sources. Each alternative source supplies energy continually, whether or not we use it. And many alternative sources of energy have been used in simple ways for millennia, e.g. wind and water mills, sails, wood burning — but only in the last two centuries has their potential begun to be exploited on an industrial scale. Except for geothermal energy, all have their origins in energy generated outside the Earth, yet the potential of each is limited by its total supply set against its rate of use. Each is likely to be renewable in the sense that the available rates of supply of each exceed those at which they are used. The main concern is whether or not such alternatives can supplant fossil- and nucloear-fuel use to power social needs fast enough to avoid the likelihood of future global warming and other kinds of pollution.

This course considers one of these alternative sources, geothermal energy derived from the interior heat of the Earth. It looks at the most favourable areas for geothermal exploitation, heat production, geothermal power plants and the pros, cons and future of geothermal energy.

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