Coal produces more toxic waste per MWh than nuclear, and it just spews it into the atmosphere, not into nice neatly packaged barrels you can just store in a hole underground...
https://youtu.be/5EsBiC9HjyQ?t=50s
https://www.youtube.com/watch?v=4aUODXeAM-k
It's also probably to make things slightly simpler from a legal perspective.
Coal produces more toxic waste per MWh than nuclear, and it just spews it into the atmosphere, not into nice neatly packaged barrels you can just store in a hole underground...
https://youtu.be/5EsBiC9HjyQ?t=50s
https://www.youtube.com/watch?v=4aUODXeAM-k