How much abundant energy
But how much of an impact has this growth had on our energy systems? In this interactive chart, we see the share of primary energy consumption that came from renewable technologies – the combination of hydropower, solar, wind, geothermal, wave, tidal, and modern biofuels. Remaining reserves of fossil fuel are estimated as: These are the proven energy reserves; real reserves may be four or more times larger. Estimating the remaining on the planet depends on a detailed understanding of Earth's crust.
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