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

Though the Republicans controlled both houses of Congress during Trump’s first two years, the party had not yet been turned into a full-on personality cult. Senator John McCain, for instance, famously ...

One of the shyest animals in the region is the Mount Lyell shrew. As Smithsonian reports, the tiny mammal was finally caught ...

The president's focus on fossil fuels is a big change from the Biden administration's push for renewable energy.

The European Union's drive to simplify rules will not weaken the bloc's climate change goals, European Commission President Ursula von der Leyen said. EU says drive to simplify will not weaken ...

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

Gov. Katie Hobbs along with a group of bipartisan state and rural leaders announced legislation Thursday that gives rural ...

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