Sierra Club

What Sierra Club does

Sierra Club is a 501(c)(4) grassroots environmental organization founded in 1892 by John Muir and headquartered in San Francisco, with a separate affiliated Sierra Club Foundation (501(c)(3)) that channels tax-deductible gifts. It operates through 64 local chapters across all 50 states and serves a constituency of 3.5+ million members and supporters, with a paid staff in the 501–1,000 range. The organization mobilizes that base through volunteer-led outings (15,000+ trips annually led by 7,500+ trained volunteers), grassroots campaigns (4,500+ rallies and events, 3M+ petition signatures), and legal action, with major programs including the Beyond Coal Campaign (390 coal plants retired), national parks and public lands protection (433 parks and monuments, 10M+ acres of wilderness protected), Sierra Magazine, the Outings program, and dedicated sub-brands such as Outdoors for All, Nearby Nature, and Military Outdoors. Issue verticals span climate, conservation, clean transportation, and—most recently—data centers and AI infrastructure energy demand.

Sierra Club's product portfolio is not commercial software but rather an integrated advocacy platform: a digital hub at sierraclub.org, a national print and digital magazine, an e-commerce storefront for branded merchandise and adopt-a-wild-animal programs, research reports, and a nationwide chapter-driven events and outings network. Technology consists of standard web, email, social, and mobile/SMS tools for organizing; the organization does not develop proprietary technology products.

Revenue is generated primarily through membership dues and donations (Regular $39/year, Supporting $75, Contributing $150, Life $1,000, monthly sustainer tiers at $5/$10/$20 or $85 Sequoia Circle), supplemented by merchandise sales, planned giving vehicles (charitable gift annuities, retirement plan gifts, wills and living trusts), and foundation grants. The go-to-market is grassroots-led, leveraging local chapters, petitions, rallies, public education, lobbying, and multi-party litigation with partners including Earthjustice, NRDC, BlueGreen Alliance, the Electrification Coalition, and the Union of Concerned Scientists to influence state and federal environmental and utility policy.

Name

Sierra Club

Legal name

Sierra Club

Website

https://sierraclub.org

Company type

Private

Founded year

1892

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Sierra Club is a 130+ year-old grassroots environmental nonprofit that mobilizes 3.5+ million members and 64 local chapters across all 50 states to advocate for climate, conservation, and clean energy through campaigns, legal action, and outdoor programs.

Ownership category

akta.pro rank

Headquarters

HQ city

San Francisco

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others

Revenue model

1. Membership dues and donations: Sierra Club generates revenue primarily through membership dues and donations from its 3.5+ million supporters, including various giving programs such as monthly giving, one-time donations, and major gifts.
2. Merchandise and store sales: Revenue from the Sierra Club Store selling branded merchandise, adopt-a-wild-animal programs, and other merchandise.
3. Planned giving and legacy gifts: Charitable gift annuities, retirement plan gifts, wills and living trusts, and other planned giving vehicles.
4. Foundation grants: Support from foundations for specific campaigns and initiatives.

Pricing tiers

Distribution channels4 records

Marketing channels7 records

Core offering

Sierra Club is a nonprofit environmental organization founded in 1892 that promotes clean energy, protects wild places, and mobilizes members through grassroots activism and legal action. It delivers advocacy, member benefits such as Sierra Magazine and outdoor outings, and signature issue campaigns such as Beyond Coal to influence environmental policy.

Product overview

Sierra Club is a nonprofit environmental organization operating as a single unified advocacy platform rather than a commercial product suite. The organization's primary offerings include its main website for member engagement and activism, Sierra Magazine (a national print and digital publication), the Sierra Club Outings Program (offering outdoor trips), the Beyond Coal Campaign (a major advocacy initiative), a network of 64 local chapters, and various research publications and reports. The organization does not offer commercial software products or technology services.

Differentiator

Problem solved

Functional benefit

Brands

• Beyond Coal Campaign: A major national campaign to retire coal plants and replace them with clean energy sources.
• Sierra Magazine
• Outdoors for All
• Military Outdoors
• Nearby Nature
• Outdoors Alliance for Kids

Products and services

• Sierra Club Membership Paid membership program that gives individuals access to Sierra Magazine, local chapter activities, advocacy opportunities, and outdoor outings.
• Sierra Magazine
• Sierra Club Outings Program
• Sierra Club Store
• Adopt-a-Wild-Animal Program

Quantifiable outcome

• 390 coal plants retired through Beyond Coal Campaign
• +5 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Ten partnerships are on record, tiered flagship, core and minor.

• BlueGreen AllianceflagshipStrategic or Co-development Partner · 24 June 2024BlueGreen Alliance was founded jointly by the United Steelworkers and Sierra Club 20 years ago. The coalition advocates for stronger labor enforcement, environmental protections, and measures to prevent corporations from offshoring jobs. They released a platform proposing improvements to USMCA trade agreement.
• Outdoors Alliance for KidscoreStrategic or Co-development Partner · 24 June 2024Sierra Club serves as a leading member of the Outdoors Alliance for Kids, which launched the One Million Kids Outdoors (1MKO) initiative to connect one million children with nature. The movement has garnered support from over 100 organizations including environmental groups, outdoor recreation associations, and health-focused nonprofits.
• Trout UnlimitedminorStrategic or Co-development PartnerSierra Club joined with Trout Unlimited to oppose KORE Mining's exploratory drilling and potential gold mining near California's Hot Creek, citing concerns about cyanide contamination and harm to a year-round trout fishery.
• EarthjusticecoreStrategic or Co-development PartnerSierra Club and Earthjustice have filed multiple challenges in the U.S. Court of Appeals for the D.C. Circuit seeking to overturn emergency orders forcing coal plants to remain operational past their planned closure dates.
• Natural Resources Defense CouncilcoreStrategic or Co-development PartnerSierra Club joined with NRDC and Southern Alliance for Clean Energy to file briefs opposing Georgia Power's fuel cost recovery requests, arguing the utility should share fuel costs with ratepayers.
• Electrification CoalitioncoreStrategic or Co-development PartnerSierra Club partnered with Electrification Coalition, Forth, and Plug In America to release the AchiEVe 2026 policy guide designed to help advocates, policymakers, utilities, and community leaders accelerate electric transportation adoption.
• Climate + Energy ProjectminorStrategic or Co-development PartnerSierra Club advocated alongside Climate + Energy Project and Kansas Latino Community Network for the approval of Accelergen's East Side Energy Storage project in Wyandotte County.
• Union of Concerned ScientistscoreStrategic or Co-development PartnerSierra Club and Union of Concerned Scientists opposed Wisconsin state regulators loosening financial protection requirements for data centers, citing Oracle's debt-to-equity ratio and arguing changes would shift financial risks from tech companies to ratepayers.
• California Environmental Justice AlliancecoreStrategic or Co-development PartnerSierra Club and California Environmental Justice Alliance challenged SoCalGas' application to charge ratepayers $266 million for the Angeles Link hydrogen pipeline project, arguing customers would bear enormous costs without direct benefits.
• American Lung AssociationcoreStrategic or Co-development PartnerSierra Club joined American Lung Association and other organizations endorsing the Promoting Reduction of Emissions through Landscaping Act, proposing a 40% federal tax credit for zero-emission landscaping equipment.

Scale indicators9 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Natural Resources Defense Council: NRDC is one of the largest US environmental advocacy organizations, with a similar mix of litigation, lobbying, and science-based campaigns. It is a frequent co-filer with Sierra Club on utility and climate cases, making it the closest direct peer in scale, mission, and tactics.
• National Audubon Society: Audubon is a large membership-based conservation organization with a chapter network and dual advocacy/recreational programming (birding). It competes with Sierra Club for conservation-focused members and overlapping public-lands policy outcomes.
• Friends of the Earth: Friends of the Earth is a grassroots environmental advocacy organization with a comparable confrontational style and focus on climate, agriculture, and corporate accountability. It competes with Sierra Club for progressive donor dollars on climate and anti-corporate campaigns.
• Union of Concerned Scientists: UCS pairs scientific research with policy advocacy on climate, energy, and transportation — directly overlapping with Sierra Club's climate, clean transportation, and data-center advocacy portfolios. It is a frequent coalition partner and a comparable scientific-advocacy competitor.
• Environmental Defense Fund: EDF is a major environmental advocacy nonprofit that combines market-based solutions, corporate partnerships, and policy advocacy. It overlaps with Sierra Club on climate, clean energy, and clean transportation issues and competes for the same major-donor base.
• Greenpeace USA: Greenpeace USA is a grassroots-driven environmental advocacy organization with a comparable membership-funded model, confrontational advocacy style, and broad issue scope (climate, oceans, forests). It competes for the same individual-donor and monthly-giving segments.
• Earthjustice: Earthjustice is the largest nonprofit environmental law organization in the US. It is a recurring co-litigant with Sierra Club on coal, pipeline, and public-lands cases and competes for foundation grants supporting environmental litigation.
• National Wildlife Federation: NWF is one of the oldest and largest US conservation organizations, with a federation structure of state affiliates that mirrors Sierra Club's 64-chapter model. It competes for the same conservation and wildlife-protection donor base.

Broad incumbents

• World Wildlife Fund (US): WWF-US is a large, brand-driven global conservation organization that operates at much broader geographic and thematic scale than Sierra Club. It overlaps on climate, wildlife, and public-lands advocacy and competes for major-donor and corporate-partnership dollars.

Emerging players

• 350.org: 350.org is a digital-first climate movement focused on grassroots mobilization and fossil-fuel divestment. It is smaller and more issue-narrow than Sierra Club but represents the digital-native, younger-skewing model that could increasingly compete for next-generation climate donors.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/NationalSierraClub
• Facebookfacebook.com/SierraClub
• LinkedInlinkedin.com/company/sierra-club
• Instagraminstagram.com/sierraclub
• TikToktiktok.com/@sierraclubofficial
• Xx.com/sierraclub

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sierra Club