Inyo 350 (INYO350) is a volunteer-driven grassroots organization based in the Eastern Sierra and affiliated with the international climate network 350.org. Its mission is to promote environmental protection and social and economic justice through policy influence, education, and direct action. The group engages Inyo County communities on issues including recycling, zero waste, solar energy, public lands protection, and social justice, and organizes events such as film screenings, candidate forums, and the annual Earth Day celebration.