So he wants Arizona to sue any person from any other state or country whose emissions damage the air quality here.

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We’re learning more about the victims in the D.C. mid-air collision that killed 67 people. Crews continue to recover bodies ...

Opponents of the Copper World mine are appealing a state air quality permit for the project, arguing the state should have required a stricter permit with more “teeth.” In issuing the permit ...

Environmental and community groups have appealed the Arizona Department of Environmental Quality’s decision to grant an air ...

The Trump administration is using military planes to conduct deportation flights — including out of the airport in Tucson.

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