Sustainable energy is defined as energy obtained from non-exhaustible resources. By this definition, sustainable energy does not run out or compromise the ability of future generations to meet their needs.
The underpinning of sustainable energy is sustainable development, or development that meets the needs of the present without compromising the ability of future generations to meet their own needs. This takes into account ecology, economics, politics and culture. Technologies that promote sustainable energy include hydroelectricity, solar energy, wind energy, wave power, geothermal energy, bioenergy, tidal power, and technologies designed to improve energy efficiency.
Costs for sustainable energy sources have fallen dramatically in recent years. Further, government policies have increasingly supported this green solutions. The result of both of these trends is the markets expanding.
(Source: XKCD)
The underpinning of sustainable energy is sustainable development, or development that meets the needs of the present without compromising the ability of future generations to meet their own needs. This takes into account ecology, economics, politics and culture. Technologies that promote sustainable energy include hydroelectricity, solar energy, wind energy, wave power, geothermal energy, bioenergy, tidal power, and technologies designed to improve energy efficiency.
Costs for sustainable energy sources have fallen dramatically in recent years. Further, government policies have increasingly supported this green solutions. The result of both of these trends is the markets expanding.
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