This book introduces strategic communication students and professionals to essential topics and trends in corporate social advocacy (CSA). CSA refers to companies' actions that publicly declare their stances on controversial social issues. This book covers emerging CSA communication issues relevant in today's rapidly-changing world, including but not limited to theoretical frameworks, CSA messaging, internal communication, social media, crisis management, authenticity, social network, and ethics. Each chapter includes a relevant case study. This book will be an excellent resource for public relations and strategic communication students, faculty, researchers, educators, and practitioners interested in expanding their understanding and knowledge of organizations' CSA communication efforts.