The document discusses learning clusters in challenging environments. It covers topics like Michael Porter and Peter Senge's work on clusters and learning organizations. Specifically, it discusses Senge's five disciplines of a learning organization: personal mastery, mental models, shared vision, team learning, and systems thinking. It also discusses the need for new mental models like openness and nomadic work. Finally, it argues that the future requires expanded understanding of relationships and a humanistic community approach to learning cluster communities.