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4

While reading the other answers, you might get the impression that fossil fuel availability won't be a problem for 100 years. According to this Nature paper ("Unextractable fossil fuels in a 1.5 °C world"), and based on the IPCC’s Special Report on Global Warming of 1.5 °C, most of the available fossil fuels should stay in the ground if we don't ...


9

Not directly related, but it's important to consider unburnable carbon. That is, if we do extract and burn the available reserves by 2060, we have committed the earth to significantly more warming than is "safe", and the situation for habitability of low-lying or equatorial areas by 2100 will look a lot worse. There used to be an excellent blog, ...


46

No First, this figure is for petroleum. For coal, the figure is much larger. Some of the figures I found for coal were 133 years, "anywhere from 68 years to a hundreds of years", and 357 years (in that last one, "we" may be referring to just the US). Second, this number is for proven oil reserves. Proven oil reserves is oil that is (1) ...


15

For oil, using proven reserves and current oil production, the date is more like 2067. World proven reserves are approximately 1.7 trillion barrels, or 1.7 million-million barrels (EIA figures]). Current rate of production is about 100 million barrels/day, (EIA figures). The 100mb/d rate will eat through the 1.8 trillion barrel reserves in about 47 years. ...


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