After a lawsuit filed by the Sierra Club more than a decade ago, the owner of a Santa Clara County quarry and cement plant will remove thousands of tons of mining waste from the creek’s waters.

Permanente Creek project is part of a lawsuit filed by the Sierra Club; the fate of the quarry site is still undecided.

Ben Jealous, who joined the environmental group in 2023, has clashed with some employees and the organization’s union.

When John Muir founded the Sierra Club in 1892, he couldn’t have imagined the world we live in now — one where millions of ...

A prominent national environmental organization is without a permanent leader as it scrambles to fight the Trump ...

Ben Jealous, the former Maryland gubernatorial candidate turned Sierra Club executive director, is “on leave” from his post, ...

Employees have urged the board to oust the green group’s leader, citing concerns about the organization’s management.

In a protest against the construction of a pipeline through Bernheim Forest, the Sierra Club, alongside other environmental advocates, held a New Orleans-style wake Sunday.

Following the deaths or abandonment of five sea lion pups at La Jolla Cove, members of the Sierra Club and its Seal Society ...

U.S. efforts to contain global warming have regressed under the Trump administration. Methane is seen as “low-hanging fruit” in the fight.

The Sierra Club was founded May 28, 1892, with John Muir as its first president. Its first order of business was to defeat a proposal to reduce the boundaries of Yosemite National Park.

The Sierra Club is grappling with a backlash from Washington state members over a decision to withhold support for Initiative 732, the carbon-tax measure on the November ballot.