i dont think anyone disputes coal has a higher impact on environment. even "clean coal" still burns and creates smoke/gases.
as for your graph, it should have it scaled to # of workers in said energy field. i'd imagine there's far fewer nuclear powerplant workers than coal miners + coal burning powerplant workers.
yeah that is true and i'll agree thats a problem but the need to move away from coal is undeniable and im sick of people defending it only because its their soul source of income
if its been clear that people want to move away from it for years now dont you think you'd start assessing other career choices, or begin to move over to something similar
"forget this i have a family to attend to"
case in point