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by sbierwagen 1808 days ago
In 2016, the US burned 728 million tons of coal: https://www.ucsusa.org/resources/how-coal-works

That's one country, for one year. The world has been burning coal for more than a century. To get back to preindustrial CO2 levels, all that coal needs to be unburned and buried again. That's the scale of the problem.