Welcome to the timely publication of this book. Renewable energy is energy that is collected from renewable resources that are naturally replenished on a human timescale. It includes sources such as sunlight, wind, rain, tides, waves, and geothermal heat. Renewable energy stands in contrast to fossil fuels, which are being used far more quickly than they are being replenished. Although most renewable energy sources are sustainable, some are not. For example, some biomass sources are considered unsustainable at current rates of exploitation.Renewable energy often provides energy in four important areas: electricity generation, air and water heating/cooling, transportation, and rural (off-grid) energy services.In fact, we should listen to the proposal of the Saudi Minister of Energy in the 1970s, who said: "The Stone Age did not end because the stone ran out.The age of oil must end much sooner than the oil runs out."SoLadies and gentlemen Welcome to the age of new Energies...
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