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Only renewable energy will last as long as the earth and the sun -- about another 5 Billion years.
We humans who alive today have decided (I guess) that WE are the ones who can use up the oil as quickly as possible. We know the supply of oil is finite, because the earth is finite. It took millions and millions and millions of years to form, and we are using it in a couple of centuries.
All that stored carbon is being released back into the atmosphere -- we will need to stop burning fossil fuels if we want to survive another thousand years, let alone a million. We cannot burn it all... That would be morally wrong.
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