Oakland, United States · Established 1892

Sierra Club

Explore, enjoy, and protect the planet.

(About)

One of the oldest environmental groups in the world.

Sierra Club was founded in 1892 and is headquartered in Oakland, United States. Today it is a century-old institution, working on environment, climate and public lands and known within the sector for its tagline "Explore, enjoy, and protect the planet.".

The organisation currently operates in 2 countries, with major presence in United States and Canada. One of the oldest environmental groups in the world. Verified profiles, financials and annual reports are published on its official website at sierraclub.org.

(Verified profile)

What the record actually says.

Sourced from official reports & independent registers

Structure & mandate

Sierra Club is headquartered in Oakland, United States, established in 1892. See the linked official sources for full governance and finances.

Key public programmes

▸Environment — see official programme pages for details.
▸Climate — see official programme pages for details.
▸Public lands — see official programme pages for details.

Founded

1892

Oakland

United States

Countries of work

Independent registers

Curated primary-source list not yet compiled for this organization — please refer to their official website and the registers above.

(Public perception & reviews)

What people actually say.

AI-synthesized from watchdogs, press & donor reviews

The Reach Out Score is generated by our AI based on public-domain signals (watchdog ratings, transparency, program-vs-overhead, controversies). It's a starting point — always verify against the primary sources above.

(Work in the field)

Photos of their work.

Sourced from Wikimedia Commons

(Where we operate)

Active in 2 countries.

HQCountry of work

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United States
Canada

(Related organizations)