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.

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 ...

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 ...

This morning, despite widespread public opposition to the many clear dangers of the bill, House Republicans are expected to cast the final vote to pass Donald Trump’s reckless budget reconciliation ...

The Sierra Club, one of the largest environmental organizations in the US, is pulling money from BlackRock Inc., citing the ...

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 ...

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

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

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 ...