Why are renewable forms of energy (e.g. solar, wind, hydro-electricity and geothermal) that offer greenhouse-friendly alternatives not used more often?
Apart from hydro-electricity, these sources of power still cannot adequately meet our modern lifestyle and industry or base-load demands. Also, despite continuing research, they are still too expensive for current use. Some also place greater constraints on our environment. For example, a 1000-megawatt nuclear power station would require less than one square kilometre of land to generate power. To produce the same amount of electricity, solar cells would need to cover 50 – 60 square kilometres.
Related Questions
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- Why are renewable forms of energy (e.g. solar, wind, hydro-electricity and geothermal) that offer greenhouse-friendly alternatives not used more often?
- Why is SRP pursuing solar, wind, geothermal and other renewable projects?
