The biggest tab the public picks up for fossil fuels has to do with what economists call 'external costs,' like the health effects of air and water pollution.
If you are interested enough in the climate crisis to read this post, you probably know that 2 degrees Centigrade of warming (or 3.6 degrees Fahrenheit) is the widely acknowledged threshold for "dangerous" climate change.
But overall, Obama's record on the environment has been uninspired - and that's putting it kindly. He hasn't stopped coal companies from blowing up mountaintops and devastating large regions of Appalachia.
In the world of energy politics, the sudden vanishing of the word 'coal' is a remarkable and unprecedented event.
It may be too late for West Virginia to save itself from the ravages of Big Coal. But it's not too late for America.