About Us

The Sierra Club is the oldest, largest and most influential grassroots environmental organization with 755,000 members  who explore, enjoy and protect the environment.

Your support – through volunteering, donating, or joining – keeps the Sierra Club effective. If you have recently joined or renewed, thank you! Your membership helps you contribute to the efforts of more than 1.3 million Club members and supporters working to preserve our environment.

As an added bonus, as a DC resident, member status grants you automatic membership to your local Sierra Club chapter in Washington, DC and a subscription to the Capital Sierran newsletter with special discounts from Capital Sierran advertisers.

The Washington, DC Chapter comprises more than 3,600 members and supporters in Washington, DC and is actively involved in local conservation and politics through events and volunteer opportunities. The chapter maintains a calendar of opportunities to become engaged and informed. To subscribe to weekly e-mail alerts about these opportunities, please complete the Chapter Membership and Volunteer Survey.

If you have any questions, please contact the Sierra Club – Washington, DC Chapter at washingtondc.chaptersierraclub.org or any chapter leader.