While NSAC staff conduct direct advocacy and education on policy issues to legislators and federal agencies on Capitol Hill, member organizations lead outreach and implementation work on the local, state, and regional levels.

[citation needed] NCSA formed in 1994[6] with a mission of bringing together diverse voices to influence federal food policy.

[7] In 2003, SAC members voted to form a national coalition in order to expand their representation in Washington, D.C.[7] NSAC's definition of a sustainable agricultural system is one that produces readily available, affordable, nutritious food; provides farmers and laborers a high standard of living; and promotes the health of the environment and of communities.

The Grassroots Council coordinates NSAC's advocacy efforts among member organizations, including media messaging and action alerts pertaining to campaigns.

Issue Committees meet monthly to discuss policy strategies and coordinate action across states and regions.