A group of 42 climate, faith and community groups signed onto the Sierra Club’s 2023 environmental priorities list, which calls on the Arizona Legislature and the governor to act on what the ...

Ben Jealous started advocating for the environment at age 15, and now, at 50, he's leading the Sierra Club, one of the oldest advocacy groups.

As the November election approaches, the environmental advocacy group Sierra Club has backed every Democratic U.S. House candidate in Arizona with even a slim chance of winning — with one ...

Phoenix experiences record heat, causing numerous health issues and raising ozone levels, spurring local demands for policy ...

PHOENIX — The Sierra Club Grand Canyon Chapter Wednesday released its fall 2023 Environmental Report Card for the Arizona Legislature and Governor, and though the organization gave a majority of ...

Earlier this week, the Star interviewed longtime Arizona Sierra Club leader Sandy Bahr on her view that the proposed Colorado River drought contingency plan legislation for Arizona is a pathway to ...

Groups delivered 17,557 letters to Arizona Gov. Katie Hobbs, urging her to close Pinyon Plain Mine, fearing contamination ...

The Sierra Club is backing Ruben Gallego in Arizona’s U.S. Senate race, a key election in determining which party controls the Senate’s majority. Gallego, a member of the House since 2015, is ...

The Sierra Club has filed a lawsuit against the Arizona Corporation Commission challenging the board's decision to approve the controversial expansion of a natural gas plant near Coolidge.

President Donald Trump's tax and policy bill could slow Arizona's clean energy industry, but companies aren't talking.

The Sierra Club's Sandy Bahr talks with New Times about what impact Scott Pruitt, Trump's pick to head the U.S. Environmental Protection Agency, could have on the environment in Arizona.

Founded in 1892, the Sierra Club is a national nonprofit environmental organization with approximately 2.7 million members and supporters, including more than 60,000 in Arizona. Sierra Club’s mission ...