Looks like this covers 1999-2012. When it comes to mercury (the contaminant making coal the energy source of last resort), we’ll get to see a natural experiment

Looks like this covers 1999-2012. When it comes to mercury (the contaminant making coal the energy source of last resort), we’ll get to see a natural experiment in which the previous executive administration loosened rules for mercury emissions. The same communities in the study linked above will be the ones affected.