The document provides a summary of 17 public relations insights from research studies in 2021. It covers topics like internal communication and culture in the hybrid work environment, employee mental health and stress, diversity, equity and inclusion, and environmental, social and corporate governance issues. Some of the key findings include that women reported higher levels of burnout during the pandemic, Black employees often face barriers to advancement, and chief sustainability officers need skills like resilience to drive meaningful organizational change. The document aims to highlight important research that PR professionals should be aware of from the past year.