The course examines the rapidly changing climate and societal dynamics of coastal California, highlighting the intricate connections and interdependence between society and the environment. California, on the forefront of climate policy in many ways, provides myriad opportunities to ground knowledge in real-world examples. Diverse voices, perspectives, and ways of knowing are integrated throughout the course to help navigate uncertainty of the rapidly changing systems. By critically examining current implementation efforts, the course highlights diverse pathways and solutions and explores ideas for improvement. The course is structured around California Against the Sea: Visions for Our Vanishing Coastline by Rosanna Xia. Using this book as a foundation, we will explore key questions: Who are the changemakers? What new ideas are emerging? How do these concepts apply globally? What perspectives are missing? By the end of the course, students will be better equipped to engage with the complexities, challenges, and opportunities of a changing world.