A.lean energy future is possible now Challenging, yes, but there is a way forward. We’ll go on our network and see by keeping that TV plugged in, we’re using energy without it even being on. In the models, inefficiencies in cycling the fossil fuel plants to compensate for the variation in solar and wind energy resulted in an additional cost of “between $0.47 and $1.28 to each MegaWatt hour generated”; however, the savings in the cost of the fuels saved “adds up to $7 billion, meaning the added costs are, at most, two percent of the savings.” 73 See also: List of largest hydroelectric power stations Only 25% of the worlds estimated hydroelectric potential of 14,000 TWA/year has been developed, with Africa, Asia and Latin America having the greatest potential. 74 The Three Gorges Dam in Huber, China, has the world's largest instantaneous generating capacity 22,500 MW, with the Itaipu Dam in Brazil/Paraguay in second place 14,000 MW. Use of biomass for fire did not become commonplace unti

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