"A coalition of 20 states, several cities and a county are suing the Environmental Protection Agency (EPA) over a regulation that undermines the justification for certain clean air standards.
The states sued over changes to the Mercury and Air Toxics Standards (MATS) rule, which regulates pollution from power plants.
In a statement, they particularly took aim at the EPA’s determination that it is not “appropriate and necessary” to regulate the emissions of mercury and other pollutants from power plants."
Source: The Hill, 07/21/2020
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