Environmentalists expand litigation over state haze plans

November 13, 2023
Environmental groups are expanding their litigation over EPA’s failure to ensure that state air quality plans are in place to reduce regional haze, adding 27 more states to the list of those that lack EPA-approved state implementation plans (SIPs) for the haze program, which is again slipping behind schedule. In an amended complaint filed Nov. 10 with the U.S. District Court for the District of Columbia in Sierra Club, et al. v. EPA , environmentalists say EPA has failed to...

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