Opponents are appealing an air quality permit for the Copper World open-pits mine project , arguing Arizona should have required a stricter permit with more “teeth.” ...

Environmentalists and farmers are challenging Arizona's approval of an air pollution permit for Copper World Mine, claiming it's lax on toxic dust.

Democratic Arizona Gov. Katie Hobbs renewed a push Thursday to regulate groundwater in rural parts of the drought-stricken state.

On January 28, the Arizona Center for Law in the Public Interest (ACLPI) and Earthjustice filed an appeal in the Arizona Court of Appeals on behalf of ...

Climate change is making Phoenix increasingly unsafe for outdoor workers like my dad. We need protections from the heat now ...

More than 1 million people could pour into western Maricopa County in the coming decades – if housing developers can secure ...