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Since the early stages of civilization, 790,000 years ago, humans began burning wood and biomass. It was until deforestation became a threat that people began to move to burning fossil oil.
The use of fossil oil and coal will one day end when mining is exhausted. A return to wind power, water power, and solar power, which began thousands of years ago, will once again become important, although it remains to be seen if this will be very dependable.
Below is the world’s total primary energy consumption:
