Since an argument about Chernobyl inevitably comes up when nuclear power is discussed I thought it would be interesting to ask: what would the coal/natural gas

Since an argument about Chernobyl inevitably comes up when nuclear power is discussed I thought it would be interesting to ask: what would the coal/natural gas power equivalent of Chernobyl be? That is, an accident which caused significant death or ecological contamination. The closest I can think of for a "coal Chernobyl" would be something like this: https://en.wikipedia.org/wiki/Kingston_Fossil_Plant_coal_fly_ash_slurry_spill https://en.wikipedia.org/wiki/Kingston_Fossil_Plant_coal_fly...