Sensitive groups are at a higher risk of health issues due to the outside air, according to these organizations.

The ADEQ issued the ozone high pollution advisory for the Phoenix area for Saturday and Sunday. Forecast weather conditions ...

“The Copper World Project is consistent with industry standards and will comply with all environmental laws to protect ...

As mining operations ramp up across Arizona, two massive projects facing opposition from environmental groups and Native American tribes have public comment deadlines in the coming weeks.

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I attended the ADEQ meeting in Corona de Tucson and feel that the criticisms of their oversight on the Copper World project overlooks the robust enforcement measures they outlined to safeguard ...

Arizona needs to strengthen aquifer-protection requirements for the massive proposed Copper World mine to guard against groundwater pollution beneath it, Pima County officials say. The county ...

The Arizona Department of Environmental Quality (“ADEQ”) filed suit against a company alleging that it was violating an Administrative Consent Order (“ACO”). What made the lawsuit unusual ...

The Arizona Department of Environmental Quality has issued an ozone high-pollution advisory for Saturday and Sunday.

The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone (OZ) High Pollution Advisory for the Tucson Metro ...

The ADEQ issued the ozone high pollution advisory for the Phoenix area for Saturday and Sunday. Forecast weather conditions combined with existing ozone levels were expected to result in ozone ...