Arizona will fail clean-air standards if other states aren’t 'good neighbors' https://www.tucsonsentinel.com/local/report/033023_smog_neighbors/arizona-will-fail-clean-air-standards-if-other-states-arent-good-neighbors/
Arizona is doing all it can to improve air quality but will not meet federal standards as long as pollution from other jurisdictions can drift across its borders, the director of the Arizona Department of Environmental Quality testified Wednesday.
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