Biden EPA Grapples With Long-Running Fights Over Regional Haze Policy

The Biden EPA will have to grapple with how to resolve long-running disputes over Trump-era policies on reducing emissions that cause regional haze, including its response to a slew of lawsuits filed by environmentalists challenging several states’ agency-approved haze reductions plans as falling short of the haze program’s requirements. The regional haze program requires states to write state implementation plans (SIPs) including strategies to restore visibility to natural conditions in “Class I” national parks and wilderness areas by 2064. EPA...