The Commonwealth Prevention Alliance (CPA) is a nonprofit organization championing primary prevention across Pennsylvania. CPA works to strengthen local and statewide capacity to promote healthy relationships, nurture emotional well-being, prevent substance misuse, and reduce interpersonal violence by sharing best practices, advancing prevention policy, and supporting community-based professionals and programs. The site provides information on advocacy efforts, resources, membership, regional networking, training opportunities, and annual events like the Pennsylvania Prevention Conference. CPA’s mission centers on reimagining prevention and ensuring equitable access to effective, evidence-informed strategies that help communities thrive.