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 — 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 ...

A $309M federal contract revives border wall construction in Arizona, sparking backlash from environmental groups and renewed ...

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.

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 hosted its annual Trail Blazers Ball, honoring notable figures such as Dr. Jane Goodall, Bill Nye, William Shatner, Quannah ChasingHorse, Jessica Sarowitz, Josh and Rebecca Tickell ...

As acting director of Sierra Club California, Bobbi Jo Chavarria oversees a membership divided over the environmental organization’s mission and priorities. California membership in the Sierra ...

A strike by workers of the Sierra Club, the prominent environmental organization founded in California, was narrowly averted Tuesday after an overnight 18-hour-long marathon bargaining session. As ...