The EPA wants to strengthen air pollution rules — does its plan do enough?

For the first time in over a decade, the Environmental Protection Agency could toughen its standard for how much soot is allowed in the air we breathe. Today, it

lowering the regulatory threshold for fine particulate matter, commonly called soot. Still, some major health and environmental groups say the EPA’s plan is too lenient on the pervasive pollutant that disproportionately burdens communities of color.

“Today’s proposal…