Last week, the 9th Circuit Court of Appeals affirmed EPA’s approval of Nevada’s State Implementation Plan for regional haze against a challenge by WildEarth Guardians. The decision isn’t earthshaking. However, because it found that WildEarth Guardians did not have standing to challenge EPA’s reasonable further progress determination for measuring visibility improvements, but did have standing to challenge EPA’s determination regarding the Best Available Retrofit Technology for the Reid Gardner Generating Station in northeast Nevada, it provides a handy way to compare and contrast what must be alleged by citizen groups to establish standing.
First, the reasonable further progress determination…. More