By 2050, 80 percent of the world's electricity could be coming from renewable energy sources provided efforts are made, in parallel, to improve energy efficiency, according to a study by the German Aerospace Center (DLR). That means, the children of today might well grow up to experience a world where the energy they use comes almost entirely from the sun, wind, sea and biomass.
Also, the short-term financial costs of switching over to renewable energy will be outweighed by the long-term financial benefits, according to the study. In fact, the projected savings to be made by not using the amount of coal we do today could amount to US $15.9 trillion by 2030 alone — a sum that would pay the whole US $15 trillion bill needed to switch over the entire world to renewable energy power sources once and for all.
The accumulated savings of a switch-over to renewable energy by 2030 could be as high as US $18.7 trillion or $750 billion a year, according to one DLR scenario.
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