The American Planning Association (APA) is a professional organization in the United States that focuses on urban planning and community development. Founded in 1909, it aims to promote good planning practices and improve the quality of life in communities. The APA provides resources, education, and advocacy for planners, helping them to create sustainable and equitable environments. The organization also publishes research, guides, and best practices to support planners in their work. Through conferences and networking opportunities, the APA fosters collaboration among professionals in the field, ensuring that planners are equipped with the latest knowledge and tools to address complex urban challenges.