Alternative energy sources in Japan: solar power
Alternative energy sources in Japan: solar powerOil is the principal energy source these days, especially in Japan. No other substance can be equivalent to the use of oil to many people all around the world. Oil is found under various, refined forms: gasoline, kerosene, diesel fuel...It has many functions and uses. These include a current availability in abundance, a currently high net energy recovery, and ease of transportation, relative safety and great versatility in end use. This substance is also useful as more than an energy source. It is the basis for the manufacture of petrochemical products including plastics, medicines, paints and myriads other useful materials. The roads all around the world on which travel cars run by fuels were converted from muddy trails by oil refineries. However, as discovered a few years ago, like all other fossil fuels, oil is a finite resource. This will cause a major problem in Japan as Japan has to import all of its contents. It has very few natural sources and must import everything else such as its food, sources, raw material... Although there will always be oil in the Earth, eventually the cost to recover what remains will exceed the value of oil and will therefore be useless to recov
This is not nearly enough of a replacement fro oils. Let us concentrate on the solar alternative energy. Renewable energy sources are wood, other biomass, hydro-electric power (except for when used in reservoirs in which case can not be renewed), solar energy, wind energy, wave energy, tidal power, fusion and ocean thermal energy conversion. This problem remains unsolved and because of this, solar energy can not be used as a dependable base load. Even though solar energy has many advantages, it is a minimal grade energy. Another problem is that the end product is only electricity and maybe, in the near future, a replacement fro oils in cars and vehicles. Direct conversion of sunlight to electricity by solar cells is a promising technology and already is locally useful and globally friendly. The cost of this energy is also very dear. Although the renewable power must be the individual source in a sustainable society, major difficulties become evident when adaptation, storage and supply for high latitudes are considered. As Japan relies on many other countries to supply its resources, oil will cause a major problem as it is not only running out but without oil, Japan's economy will fall because its products and exports are chiefly manufactured goods from refined oils. Figures usually quoted on costs of generating energy from renewable sources give the impression that it will be possible to switch to renewable as the foundation for the continuation of industrial societies with high material living standards. The alteration to this wider diversity of energy source will eventually and slowly lead to being dependant on what regional resources are available. That is why solar power will be a much better energy source: Japan will not need to import or buy this new supply as it already has it and always will have it.
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