Central Arizona is preparing for more intense droughts and floods through major water projects with federal support.

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

Arizona Senate President Warren Petersen sent a letter to President Donald Trump's Environmental Protection Agency, urging it ...

Climate change could be exacerbating species turnover in ecosystems. The climate crisis is not a distant threat; it's happening right now and affecting what matters most to us. Hurricanes ...

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 ...